Thursday, September 29, 2016

/*Seat No:-
 Slip no 1
Assignment Name:-Write a java program to read the characters from a file, if a character is alphabet then reverse its case, if not then display its category on the Screen. (whether it is Digit or Space)          
*/
import java.io.*;
class Slip1
{
            public static void main(String args[])throws Exception
            {
                        BufferedReaderbr=new BufferedReader(new InputStreamReader(System.in));
                        System.out.println("Enter file Name");
                        String f1=br.readLine();
                        FileReaderfr=new FileReader(f1);
                        intch;
                        while((ch=fr.read())!=-1)
                        {
                                    char c=(char)ch;
                                    if(Character.isUpperCase(c))
                                    {
                                                c=Character.toLowerCase(c);
                                                System.out.print(c);
                                    }
                                    else if(Character.isLowerCase(c))
                                    {
                                                c=Character.toUpperCase(c);
                                                System.out.print(c);
                                    }
                                    else if(Character.isDigit(c))
                                    {
                                                System.out.print(c+"Digit");
                                    }
                                    else if(Character.isSpaceChar(c))
                                                System.out.print(c+"Space");
                                    else
                                                System.out.print(c);
                        }
                        fr.close();
            }
}
/*Output:
Enter file Name
testslip1.txt
mYSpacenAMESpaceISSpaceaPARNA
rOLLSpaceNO: Space2Digit0Digit1Digit1Digit*/
/*Seat no:
Slip no 2
Assignment name:-. Write a java program to accept n names of cites from user and display them in descending   order. */
class Slip2
{
            public static void main(String args[])
            {
                        int n=args.length;
                        inti,j;
                        String str[]=new String[n];
                        for(i=0;i<n;i++)
                        {
                                    str[i]=args[i];
                        }
                        for(i=0;i<n;i++)
                        {
                                    for(j=i+1;j<n;j++)
                                    {
                                                if((str[i].compareTo(str[j]))>0)
                                                {
                                                            String tmp=str[j];
                                                            str[j]=str[i];
                                                            str[i]=tmp;
                                                }
                                    }
                        }
                        System.out.println("City Name After Sorting");
                        for(i=0;i<n;i++)
                        {
                                    System.out.println(str[i]);
                        }
            }
}
/*Output:
Pune Bhosari Mumbai Chakan Nashik Thane Ahemadnagar
City Name After Sorting
Ahemadnagar
Bhosari
Chakan
Mumbai
Nashik
Pune
Thane
*/


                                               
/*Seat no:
Slip no 5
Assignment name:-. Define a class Student with attributes rollno and name. Define default and parameterized constructor.
Override the toString() method. Keep the count of Objects created.
Create objects using parameterized constructor and Display the object count after each object is created.   */
importjava.util.*;
class Slip5
{
          staticintcnt;
          int roll;
          String nm;
          Slip5()
          {
          }
          Slip5(intrno,String name)
          {
                   roll=rno;
                   nm=name;
                   cnt++;
                   System.out.println("Objects created="+cnt);
          }
          public String toString()
          {
                   return "rno="+roll+" name of student="+nm;
          }
          public static void main(String a[])
          {
                   intn,i,rno;
                   String name;
                   System.out.println("Enter no of students");
                   Scanner s=new Scanner(System.in);
                   n=s.nextInt();
                   Slip5 ob[]=new Slip5[n];
                   for(i=0;i<n;i++)
                   {
                             System.out.println("Enter roll no");
                             rno=s.nextInt();
                             System.out.println("Enter name");
                             name=s.next();
                             ob[i]=new Slip5(rno,name);
                   }
                   System.out.println("Students are:   ");
                   for(i=0;i<n;i++)
                   {
                             System.out.println(ob[i]);
                   }
          }
}
/*Output:
Enter no of students
3
Enter roll no
11
Enter name
Geeta
Objects created=1
Enter roll no
12
Enter name
Aparna
Objects created=2
Enter roll no
13
Enter name
Rohini
Objects created=3
Students are:
rno=11 name of student=Geeta
rno=12 name of student=Aparna
rno=13 name of student=Rohini
*/
/*Seat no:
Slip no 9
Assignment name:- Write a java program to display the contents of a file in reverse order.
*/
import java.io.*;
class Slip9
{
public static void main(String a[]) throws Exception
      {
BufferedReaderbr = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Enter file name");
            String fname=br.readLine();
FileInputStream fin = new FileInputStream(fname);
BufferedInputStreambis = new BufferedInputStream(fin);
int s = bis.available();
System.out.println(s);
for(inti=s-1;i>=0;i--)
            {     bis.mark(i);
bis.skip(i);
System.out.print((char)bis.read());
bis.reset();
            }
fin.close();
      }
}
/*
Output
Enter file name
slip7.java
563
}
}
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{
)][sgragnirtS(niamdiovcitatscilbup
}

;)eurt(elbisiVtes
;))(tuoyaLwolF wen(tuoyaLtes
;)004,004(eziStes
;)EULB.roloC(dnuorgkcaBtes
;)l(dda
;)DER.roloC(dnuorgeroFtes.l
;))42,DLOB.tnoF,"aigroeG"(tnoF wen(tnoFtes.l
;)"avajolleH"(lebaL wen=l
{
)(7pilS
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        /*
        .emarFeht no eulB ?rolocdnuorgkcab ,
,aigroeG -tnoFsgnitteshtiw ?avaJolleH? yalps
nemngissA
.ijanaTinihoRtuaR:emaN
*/
*/













/*Seat  no:
Slip no 11
Assignment name:-Write a java program to accept Employee name from the user and check whether it is valid or not.
If it is not valid then throw user defined Exception “Name is Invalid” otherwise display it.(Name should contain only characters)
*/
import java.lang.Exception;
class MyException extends Exception
{
          MyException(String message)
          {
                   super(message);
          }
}
class Slipno11
{
          public static void main(String args[])
          {
                    String myName;
                   System.out.println(validateFirstName("Aparna"));
                   System.out.println(validateMiddleName("123"));
                   System.out.println(validateLastName("Lohakare"));
                  
          }
          public static boolean validateFirstName(String firstname)
          {
                   return firstname.matches("[A-Z][a-z]*");
          }
          public static boolean validateMiddleName(String middlename)
          {
                   return middlename.matches("[A-Z][a-z]*");
          }
          public static boolean validateLastName(String lastname)
          {
                   return lastname.matches("[A-Z][a-z]*");
          }
}
/*Output:

C:\Aparna>java Slipno11
true
false
true
*/




/*Seat no:
Slip no 15
Assignment name:-Define an abstract class Shape with abstract method area() and volume().Write a java program to calculate area and volume of Cone and Cylinder.*/
abstract class Shape
{       
          float pi=3.14F;
          abstract float areaofcone(float radius,float side);
          abstract float volumeofcone(float radius,float height);
          abstract float areaofcylinder(float radius,float height);
          abstract float volumeofcylinder(float radius,float height);
}
class AreaVolume extends Shape
{
          float areaofcone(float r,float s)
          {
                   return pi*r*s;
          }
          float volumeofcone(float r,float h)
          {
                   return (1/3)*pi*r*r*h;
          }
          float areaofcylinder(float r,float h)
          {
                   return 2*pi*r*h;
          }
          float volumeofcylinder(float r,float h)
          {
                   return pi*r*r*h;
          }
}
class Slip15
{
          public static void main(String args[])
          {
                   Shape obj=new AreaVolume();
                   float x=obj.areaofcone(1.2F,3.2F);
                   System.out.println("Area of Cone="+x);
                   float y=obj.volumeofcone(1.2F,3.2F);
                   System.out.println("Volume of Cone="+y);
                   float z=obj.areaofcylinder(1.2F,3.2F);
                   System.out.println("area of cylinder="+z);
                   float p=obj.volumeofcylinder(1.2F,3.2F);
                   System.out.println("volume of cylinder="+p);
          }
}
/*Output:
Area of Cone=12.057601
Volume of Cone=0.0
area of cylinder=24.115202
volume of cylinder=14.469123
*/




















/*Seat no:
Slip no18
Assignment name:-Write a java program that displays the number of characters,lines &words from a file.
*/
import java.io.*;
class Slip18
{
          public static int words=0;
          public static int lines=0;
          public static int chars=0;
          public static void wc(Reader r)throws IOException
          {
                   StreamTokenizer tok=new StreamTokenizer(r);
                   tok.resetSyntax();
                   tok.wordChars(33,255);
                   tok.whitespaceChars(0,' ');
                   tok.eolIsSignificant(true);
                   while(tok.nextToken()!=tok.TT_EOF)
                   {
                             switch(tok.ttype)
                             {
                                      case StreamTokenizer.TT_EOL:
                                                lines++;
                                                chars++;
                                                break;
                                      case StreamTokenizer.TT_WORD:
                                                words++;
                                      default:
                                                chars+=tok.sval.length();
                                                break;
                             }
                   }
          }
          public static void main(String args[])
          {
                   if(args.length==0)
                   {
                             try
                             {
                                      wc(new InputStreamReader(System.in));
                                      System.out.println(lines+" "+words+" "+chars);
                             }catch(IOException e){ }
                   }
                   else
                    {
                             int twords=0,tchars=0,tlines=0;
                             for(int i=0;i<args.length;i++)
                             {
                                      try
                                      {
                                                words=chars=lines=0;
                                                wc(new FileReader(args[i]));
                                                twords+=words;
                                                tchars+=chars;
                                                tlines+=lines;
                                                System.out.println(args[i]+": "+lines+" "+words+" "+chars);
                                      }catch(IOException e){
                                      System.out.println(args[i]+": error.");
                                      }
                             }
                             System.out.println("total:  "+tlines+" "+twords+" "+tchars);
                   }
          }
}
//Testslip18.txt
My name is Aparna
Roll no is 1234
collage name is Siddhant collage of management studies
/*Output:
Testslip18.txt: 3 16 76
total:  3 16 76
*/      
/*Seat no:
Slip no 22
Assignment name:-Define an Interface Shape with abstract method area().Write a java program to calculate an area of circle and sphere.(Use final keyword).
*/
interface Shape
{
          final float pi=3.11416f;
          public float areaOfCircle(float radius);
          public float areaOfSphere(float radius);    
}
class AreaOfCirSphere implements Shape
{
          public float areaOfCircle(float r)
          {
                   return pi*r*r;
          }
          public float areaOfSphere(float r)
          {
                   return (4/3)*pi*r*r;
          }
}
class Slip22{
          public static void main(String args[])
          {
                   Shape area;
                   AreaOfCirSphere ob=new AreaOfCirSphere();
                   area=ob;
                   float areaOfCir=area.areaOfCircle(5.3F);
                   System.out.println("Area of Circle="+areaOfCir);
                   float areaOfSphere=area.areaOfSphere(3.2F);
                   System.out.println("Area of Sphere="+areaOfSphere);
          }
}
/*Output:
Area of Circle=87.47676
Area of Sphere=31.888998
*/               











/*Seat no:
Slip no 23
Assignment name:-Write a java program to accept to details of n Players from user(Player code,name,runs,innings-played and number of times not out).The program should contain following menus:
-Display average runs of a single player.
-Display average runs of all players.(Use array of object,Method overloading and static keyword)
*/
import java.util.*;
import java.io.*;
class player
{
          String name;
          int trun,tno,ip,pcode;
          float avg;
          static BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
          void getdata()
          {
                   try
                   {
                             System.out.println("\nEnter Player Code: ");
                             pcode=Integer.parseInt(br.readLine());
                             System.out.println("Enter Player name: ");
                             name=br.readLine();
                             System.out.println("Enter Total Runs: ");
                             trun=Integer.parseInt(br.readLine());
                             System.out.println("Enter Times Not Out: ");
                             tno=Integer.parseInt(br.readLine());
                             System.out.println("Enter Innings Played: ");
                             ip=Integer.parseInt(br.readLine());
                   }
                   catch(Exception e)
                   {
                             System.out.println(e);
                   }
          }
          void putdata()
          {
                   System.out.println(pcode + "\t" + name + "\t" + trun + "\t" + tno + "\t" + ip + "\t" + avg);
          }
          void getavg()
          {
                   avg=trun/(ip-tno);
          }
          static void getavg(player p[],int n)
          {
                   for(int i=0;i<n;i++)
                   {
                             p[i].avg=p[i].trun/(p[i].ip-p[i].tno);
                             p[i].putdata();
                   }
          }
}
public class Slip23
{
          static BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
          public static void main(String args[])
          {
                   int n=0,ch;
                   player p[]=null;
                   try
                   {
                             do
                             {
                                       System.out.println("\n\n1.Enter details of players. ");
                                      System.out.println("2.Display average runs of a single player ");
                                      System.out.println("3.Display average runs of all player ");
                                      System.out.println("4.Exit ");
                                      System.out.println("Enter your choice: ");
                                      ch=Integer.parseInt(br.readLine());
                                      switch(ch)
                                      {
                                                case 1 :
                                                          System.out.print("Enter No. of Players: ");
                                                          n=Integer.parseInt(br.readLine());
                                                          p=new player[n];
                                                          for(int i=0;i<n;i++)
                                                          {
                                                                   p[i]=new player();
                                                                   p[i].getdata();
                                                          }
                                                          break;
                                                case 2:
                                                          System.out.println("Enter Player Code For Avg Calculation :");
                                                          int m=Integer.parseInt(br.readLine());
                                                          boolean flag=false;
                                                          for(int i=0;i<n;i++)
                                                          {
                                                                   if(p[i].pcode==m)
                                                                   {
                                                                             flag=true;
                                                                             p[i].getavg();
                                                                             p[i].putdata();
                                                                   }
                                                          }
                                                          if(!flag)
                                                          System.out.println("Player not found");
                                                          break;
                                                case 3:
                                                          System.out.println("Average of All the Players");
                                                          player.getavg(p,n);
                                                          break;
                                                case 4:
                                                          break;
                                                default:
                                                          System.out.println("Wrong Input (Try again)");
                                      }
                             }while(ch!=4);
                   }
                   catch(Exception e)
                   {
                             System.out.println(e);
                   }
          }
}
/*Output:

1.Enter details of players.
2.Display average runs of a single player
3.Display average runs of all player
4.Exit
Enter your choice:
1
Enter No. of Players: 2

Enter Player Code:
101
Enter Player name:
Aparna
Enter Total Runs:
122
Enter Times Not Out:
2
Enter Innings Played:
1

Enter Player Code:
102
Enter Player name:
Geeta
Enter Total Runs:
100
Enter Times Not Out:
3
Enter Innings Played:
1


1.Enter details of players.
2.Display average runs of a single player
3.Display average runs of all player
4.Exit
Enter your choice:
2
Enter Player Code For Avg Calculation :
102
102     Geeta   100     3       1       -50.0


1.Enter details of players.
2.Display average runs of a single player
3.Display average runs of all player
4.Exit
Enter your choice:
3
Average of All the Players
101     Aparna  122     2       1       -122.0
102     Geeta   100     3       1       -50.0


1.Enter details of players.
2.Display average runs of a single player
3.Display average runs of all player
4.Exit
Enter your choice:
4
*/      











/*Seat no:
Slip no 25
Assignment name:-Define an Employee class with suitable attributes having getSalary() method, which returns salary withdrawn by a particular employee. Write a class Manager which extends a class Employee, override the getSalary() method,which will return salary of manager by adding travelling allowance,house rent allowance etx.
*/
import java.util.*;
import java.io.*;
class Emp
{
          int e_no;
          float bsal,gsal,tax ,pf,nsal,ded,da;
          String e_name;
          Emp(int n ,String en,float bs)
          {
                   e_no=n;
                   e_name=en;
                   bsal=bs;
          }
          float getSalary()
          {
                   da=bsal*0.10f;
                   gsal=bsal+da;
                   tax=bsal*0.05f;
                   pf=bsal*0.04f;
                   ded=tax+pf;
                   nsal=gsal-ded;
                   return(nsal);
          }
          void display()
          {
                   System.out.println("EmpNo:" +e_no+"Name: "+e_name +"Net Salary:" +nsal);
          }
}
class Manager extends Emp
{
          float hra,ta,mns;
          Manager(int n,String en,float bs,float hr,float t)
          {
                   super(n,en,bs);
                   hra=hr;
                   ta=t;
          }
          float getSalary()
          {
                   float r=super.getSalary();
                   mns=r+hra+ta;
                   return(mns);
          }
}
class Slip25
{
          public static void main(String args[])
          {
                   Manager ma=new Manager(01,"Aparna Lohakare",40000.0f,9200.0f,8420.0f);
                   float shb=ma.getSalary();
                   ma.display();
                   System.out.println("Salary of manager is\t" +shb);
          }
}       
/*Output:
EmpNo:1Name: Aparna LohakareNet Salary:40400.0
Salary of manager is    58020.0
*/                








/*Seat no:
Slip no 26
Assignment name:-Write a java Program to accept ‘n’ no’s through the command line and store all the prime no’s  and perfect no’s
into the different arrays and display both the arrays.
*/

import java.util.*;
import java.io.*;
class Slip26
{
          public static void main(String args[])
          {
                   int n=args.length;
                   int pri[]=new int[n];
                   int per[]=new int[n];
                   int k=0,i,j;
                   int sum=0;
                   //prime no
                   for(i=0;i<n;i++)
                   {
                             for(j=2;j<Integer.parseInt(args[i]);j++)
                             {
                                      if(Integer.parseInt(args[i])%j==0)
                                      break;
                             }
                             if(Integer.parseInt(args[i])==j)
                             {
                                      pri[k++]=Integer.parseInt(args[i]);
                             }
                   }
                   System.out.println("Prime Array=");
                   for(j=0;j<k;j++)
                   {
                             System.out.print(" "+pri[j]);
                   }
                   //Perfect no
                   k=0;
                   for(i=0;i<n;i++)
                   {
                             sum=0;
                             for(j=1;j<Integer.parseInt(args[i]);j++)
                             {
                                      if(Integer.parseInt(args[i])%j==0)
                                      {
                                                sum=sum+j;        
                                      }
                             }
                             if(sum==Integer.parseInt(args[i]))
                             {
                                      per[k++]=sum;
                             }
                   }
                   System.out.println("\nPerfect Array=");
                   for(i=0;i<k;i++)
                   {
                             System.out.println(" "+per[i]);
                   }
          }
}
/* Output:
C:\Aparna>javac Slip26.java
C:\Aparna>java Slip26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Prime Array=
 2 3 5 7 11 13 17 19
Perfect Array=
 6
*/





/*Seat no:
Slip no 28
Assignment name:-Write a java program to read n Students names from  user,store them into the ArrayList collection.The program should not allow duplicate names.Display the names in Ascending order.
*/
import java.util.*;
import java.io.*;

public class Slip28
{
    public static void main(String args[])throws Exception
    {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        ArrayList  a = new ArrayList();
      
        System.out.println("\nEnter number of  Employee : ");
        int n = Integer.parseInt(br.readLine());
      
        System.out.println("\nEnter name : ");
        for(int i = 1; i <= n; i++)
        {
                 a.add(br.readLine());
        }
       TreeSet tr = new TreeSet(a);
       System.out.println("Sorted name are : "+tr);
       }
}


/*output
Enter number of  Employee :
7
Enter name :
renuka
pratiksha
madhuri
aparna
geeta
renuka
rohini
Sorted name are : [aparna, geeta, madhuri, pratiksha, renuka, rohini]
      */




/*Seat no:
Slip no:29
Assignment name:-Write a java program to accept n employee names from user,store them into the linkedlist class and Display them by using.
-Iterator Interface
-ListIterator Interface
*/
import java.util.*;
import java.io.*;
public class Slip29
{
    public static void main(String args[])throws Exception
    {
        int n;
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      
        LinkedList li = new LinkedList ();
      
        System.out.println("\nEnter number of  Employee : ");
        n = Integer.parseInt(br.readLine());
      
        System.out.println("\nEnter name : ");
        for(int i = 1; i <= n; i++)
        {
            li.add(br.readLine());
        }
      
        System.out.println("\nLink List Content : ");
        Iterator it = li.iterator();
        while(it.hasNext())
        {
            System.out.println(it.next());
        }
      
        System.out.println("\nReverse order : ");
        ListIterator lt = li.listIterator();
        while(lt.hasNext())
        {
            lt.next();
        }
        while(lt.hasPrevious())
        {
            System.out.println(lt.previous());
        }
     }
}


/*output

Enter number of  Employee
2

Enter name :
abc
pqr

Link List Content :
abc
pqr

Reverse order :
pqr
abc
*/







/*Seat no:
Slip no 19
Assignment name:- Write a java program to accept a number from the user, if number is zero then throw user defined Exception “Number is 0” otherwise calculate the sum of first and last digit of a given number (Use static keyword).
*/               
import java.io.*;
class NumberZero extends Exception
{
      NumberZero()
      {}
}

class Number
{
      static int no;
      Number() throws IOException
      {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            System.out.println("Enter no");
            no=Integer.parseInt(br.readLine());
            try
            {     if(no==0)
                  {
                  throw new NumberZero();
                  }
            cal();
            }//end of try
            catch(NumberZero e)
            {
                  System.out.println("no is zero");
            }
      }
      void cal()
      {     int l=0,r=0;
            l = no%10;
            //System.out.println("no = "+no);
            if(no>9)
            {
                  while(no>0)
                  {
                  r = no%10;
                  no=no/10;
                  }
            System.out.println("Addition of first and last digit = "+(l+r));
                
            }
            else
            System.out.println("Addition of first and last digit = "+l);
      }
}

class Slip19
{
      public static void main(String a[]) throws IOException
      {     Number n= new Number();
      }
}


/*Output

Enter no
1
Addition of first and last digit = 1


Enter no
45
Addition of first and last digit = 9


Enter no
456
Addition of first and last digit = 10

*/



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