Java Lab Record by Prof Manikandan

Dept of Computer Application, QMC - Medavakkam

STRING MANIPULATION USING CHARACTER ARRAY

import java.io.*;

import java.util.*;

class string

{

public static void main(String args[])throws IOException

{

int num=0,v=0,co=0,b=0,w=0,s=0;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

System.out.println("Enter the string");

String a=br.readLine();

a=a.trim();

int l=a.length();

char c[]=new char[l];

a.getChars(0,l,c,0);

for(int i=0;i<l;i++)

{

if(Character.isDigit(c[i]))

{

num=num+1;

}

else

{

switch(c[i])

{

case 'a':case 'A':

case 'e':case 'E':

case 'i':case 'I':

case 'o':case 'O':

case 'u':case 'U':

v++;break;

case ' ':b++;++w;break;

case '.':s++;break;

default:co++;break;

}


}

}

if(l==0)

System.out.println("\n\t words:"+w);

else

System.out.println("\n\t blankspaces"+b);

w=w+1;

System.out.println("\n\t word="+w);

System.out.println("\n\t sentence="+s);

System.out.println("\n\t volwels="+v);

System.out.println("\n\t number="+num);

System.out.println("\n\t consonants="+co);

System.out.println("\n\t length="+l);

System.out.println("\n\t the fifth character=");

System.out.println( a.charAt(5));

System.out.println("\n\t Upper case="+a.toUpperCase());

System.out.println("\n\t Lower case="+a.toLowerCase());

}

}


OUTPUT:

Enter the string

THIS IS II BCA STUDENTS

blankspaces4

word=5

sentence=0

volwels=7

number=0

consonants=12

length=23

the fifth character= I

Upper case=THIS IS II BCA STUDENTS

Lower case=this is ii bca students


SUBSTRING REMOVAL USING STRINGBUFFER CLASS

import java.io.*;

class substring

{

public static void main(String args[]) throws IOException

{

BufferedReader br=new BufferedReader (new InputStreamReader(System.in));

int c=0,i;

System.out.print("\n\t Enter the string:");

String s=br.readLine();

StringBuffer s1=new StringBuffer(s);

System.out.print("\n\t Enter the substring:");

String search=br.readLine();

String res=" ";

System.out.println("\n\t The original string is="+s1);

do

{

i=s.indexOf(search);

if(i==-1)

break;

res=res+s.substring(0,i);

res=res+s.substring(i+search.length());

s=res;

res=" ";

c=c+1;

}

while(i!=-1);

if(c>0)

{

System.out.println("\n\t After removal:"+s);

}

else {

System.out.println("\n\t String"+search+"not found");

} } }


OUTPUT:

Enter the string: This program developed by II BCA

Enter the substring: developed

The original string is= This program developed by II BCA

After removal: This program by II BCA


AREA AND PERIMETER OF A TRIANGLE

import java.io.*;

class triangle

{

int s1,s2,s3,b,h,pmtr=0,area=0;

void get()throws IOException {


System.out.println("\n\n\n ENTER THE VALUE OF FIRST SIDE:");

s1=Integer.parseInt(br.readLine());

System.out.println("\n\n\n ENTER THE VALUE OF SECONT SIDE:");


System.out.println("\n\n\n ENTER THE VALUE OF THIRED SIDE:");


System.out.println("\n\n\n ENTER THE VALUE OF BASE:");

b=Integer.parseInt(br.readLine());

System.out.println("\n\n\n ENTER THE VALUE OF HEIGHT:");

h=Integer.parseInt(br.readLine());

}

void calculate() {

pmtr=s1+s2+s3;

area=(b*h)/2; }

void display()

{

System.out.println("\n\t perimater of triangle="+pmtr);

System.out.println("\n\t area of triangle="+area);

} }

class process

{

public static void main(String Fr[])throws IOException

{

triangle t=new triangle();

t.get();

t.calculate();

t.display();

} }


OUTPUT:

ENTER THE VALUE OF FIRST SIDE: 1

ENTER THE VALUE OF SECONT SIDE: 2

ENTER THE VALUE OF THIRED SIDE: 3

ENTER THE VALUE OF BASE: 4

ENTER THE VALUE OF HEIGHT: 5

perimater of triangle=6

area of triangle=10

Press any key to continue . . .


ORDERING NUMBERS USING RANDOM CLASS

import java.util.*;

public class prog1

{

Random r=new Random();

int i,j;

int a[]=new int[100];

public void get_no()

{

System.out.println("\n\tGenerate Random Numbers");

for(i=0;i<5;i++)

{

a[i]=r.nextInt(10);

System.out.println("\n\t\t"+a[i]);

}

}

public void sort()

{

int temp;

for(i=0;i<5;i++)

{

for(j=i+1;j<5;j++)

{

if(a[i]<a[j])

{

temp=a[i];

a[i]=a[j];

a[j]=temp;

}

}

}

}

public void show()

{


System.out.println("Descending order");

for(i=0;i<5;i++)

System.out.println("\t\t"+a[i]);

System.out.println("Asdending order");

for(i=4;i>=0;i--)

System.out.println("\t\t"+a[i]);

}

public static void main(String arg[])

{

System.out.println("output");

prog1 r1=new prog1();

r1.get_no();

r1.sort();

r1.show();

}

}


OUTPUT

Generate Random Numbers

4

4

0

2

9

Descending order

9

4

4

2

0

Ascending order

0

2

4

4

9


Implementation of Vector Class

import java.io.*;

import java.util.*;

public class test2

{

public static void main(String args[])

{

Vector v = new Vector();

v.add("BCA");

v.add("BBA");

v.add("B.COM");

v.add("M.COM");

v.add("BSC");

v.setSize(3);

System.out.println("Vector elements after setting size to 3");

for(int index=0; index <v.size(); index++)

System.out.println(v.get(index));

v.setSize(5);

System.out.println("Vector elements after setting size to 5");

for(int index=0; index <v.size(); index++)

System.out.println(v.get(index));

}

}


OUTPUT:

Vector elements after setting size to 3 :

BCA

BBA

B.COM

Vector elements after setting size to 5 :

BCA

BBA

B.COM

null

null


IMPLEMENTATION OF CALENDAR CLASS

import java.util.*;

import java.io.*;

class prog1

{

public static void main(String arg[])

{

String months[]={"jan","feb","mar","apr","may","jun","july","aug","sep","oct","nov","dec"};

System.out.println("\t \tCALENDAR PROGRAM");

Calendar c=Calendar.getInstance();

GregorianCalendar gc= new GregorianCalendar();

System.out.print("\n\t Date->");

System.out.print(months [c.get(Calendar.MONTH)]);

System.out.print("-"+c.get(Calendar.DATE));

System.out.print("-"+c.get(Calendar.YEAR));

System.out.print("\n\t Time->");

System.out.print(c.get(Calendar.HOUR));

System.out.print(":"+c.get(Calendar.MINUTE));

System.out.print(":"+c.get(Calendar.SECOND));

c.set(Calendar.HOUR,11);

c.set(Calendar.MINUTE,59);

c.set(Calendar.SECOND,59);

System.out.print("\n\t Updated time is->");

System.out.print(c.get(Calendar.HOUR)+":");

System.out.print(c.get(Calendar.MINUTE)+":");

System.out.print(c.get(Calendar.SECOND));

if(gc.isLeapYear(c.get(Calendar.YEAR)))

System.out.println("\n\t"+c.get(Calendar.YEAR)+"is a leap year");

else

System.out.println("\n\t"+c.get(Calendar.YEAR)+"is not leap year");

}

}


OUTPUT

CALENDAR PROGRAM

Date->feb-23-2013

Time->0:48:12

Updated time is->11:59:59

2013 is not leap year


INTERFACES AND PACKAGES

Package Program: File Name:Pack\student.java

package pack;

public class student

{

int no;

String name;

public void get(int n,String s)

{

no=n;

name=s;

}

public void display()

{

System.out.println("\n\t The student number is:"+no);

System.out.println("\n\t The student name is:"+name);

}

public interface marks

{

public void gets(int no1,int no2,int no3);

public void view();

}

}

-----------------------

FileName: Intpackdemo.java

import java.io.*;

import pack.*;

class intpacdemo extends student implements marks

{

int m1,m2,m3,tot,avg;

public void gets(int no1,int no2,int no3)

{

m1=no1; m2=no2; m3=no3; tot=no1+no2+no3; avg=tot/3;


}

public void view()

{

System.out.println("\n\t marks1="+m1);



System.out.println("\n\t Total="+tot);

System.out.println("\n\t Avarge="+avg);

}

public static void main(String arg[])throws IOException

{

System.out.println("\t\t\t INTERFACES AND PACKAGES");


System.out.println("\n\t Enter the student number:");

int no=Integer.parseInt(br.readLine());

System.out.println("\n\t Enter the student name:");

String name=br.readLine();

System.out.println("\n\t Enter the student mark1:");

int m1=Integer.parseInt(br.readLine());





intpacdemo inp=new intpacdemo();

inp.get(no,name);

inp.display();

inp.gets(m1,m2,m3);

inp.view();

}

}


OUTPUT:

INTERFACES AND PACKAGES

Enter the student number: 21

Enter the student name: Kumar

Enter the student mark1: 80



The student number is: 21

The student name is: Kumar

marks1=80

marks2=90

marks3=100

Total=270

Avarge=90

Press any key to continue . . .


Application Using Synchronization

import java.lang.*;

class test2

{

static int q=100,r=0;

static public synchronized void request(int order)

throws InterruptedException

{

for(int i=1;i<=3;i++)

{

Thread.sleep(300);

if(order<=q)

{

System.out.println("\n\t Quantity Ordered:"+order);

q=q-order;

r=r+order;

System.out.println("\n\t Quantity in hand:"+q);

System.out.println("\n\t Total order taken:"+r);

}

else

{

System.out.println("\n\t Ordered quantity more than in");

System.out.println("hand");

}

order=((int)(Math.random()*100));

}

}

public static void main(String args[ ]) throws InterruptedException

{

new ourthread();

Thread.sleep(50);

test2.request((int)(Math.random()*100));

System.out.println("\n\t Existing from main thread...");

}


}

class ourthread extends Thread

{

ourthread()

{

super("Test thread");

System.out.println("\n\t Child thread:"+this);

start();

}

public void run()

{

try

{

test2.request((int)(Math.random()*100));

}

catch(InterruptedException e)

{

System.out.println("\n\t"+e);

}

System.out.println("\n\t Child thread existing…");

}

}


OUTPUT:

Child thread:Thread[Test thread,5,main]

Quantity Ordered:76

Quantity in hand:24

Total order taken:76

Ordered quantity more than in hand


Child thread existing…



Quantity Ordered:19

Quantity in hand:5

Total order taken:95

Existing from main thread...


DATABASE CREATION FOR STORING E-MAIL ADDRESS AND MANIPULATION

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.Statement;

import java.util.Scanner;

public class db

{

public static void main(String[] args) {

System.out.println("IF U WANT TO INSERT THE VALUE PRESS 1 TO CONTINUE");

System.out.println("IF U WANT TO DISPLAY THE VALUE PRESS 2 TO CONTINUE");

System.out.println("IF U WANT TO UPDATE THE VALUE PRESS 3 TO CONTINUE");

Scanner sobj1=new Scanner(System.in);

int option=sobj1.nextInt();//getting option from user

Connection con;//create reference variable to conntection class;

switch (option) {

case 1:

try

{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

//this is Driver class ... first step to connect database

con = DriverManager.getConnection("jdbc:odbc:StudentDB"); //this is url for database file

System.out.println("Connection Established");

Statement stmt = con.createStatement();

// statement creation with help of connection reference variable

Scanner sobj2=new Scanner(System.in);

//create scanner reference variable to get input from user

System.out.println("Enter Student Register No:");

int StudReg=sobj2.nextInt();

System.out.println("Enter Student Name:");

String StudName=sobj2.next();

System.out.println("Enter Student E-Mail ID");

String StudEmail=sobj2.next();


String com="insert into StudentInfo values('"+StudReg+"','"+StudName+"',

'"+StudEmail+"')"; //assign query to string variable

stmt.executeUpdate(com);

//passing that query to execute with help of stmt object reference variable

System.out.println("Successfully Inserted");

con.close(); //closing the connection

System.out.println("Connection Closed");

}

catch (Exception e) {

e.printStackTrace();

//this statement for display the exception

}

break;

case 2:

try

{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");//driver

System.out.println("Driver Loaded Please Wait..");//checking

con = DriverManager.getConnection("jdbc:odbc:StudentDB");//url path



ResultSet rs=stmt.executeQuery("select * from StudentInfo");

//select query to display the Data from the database

while(rs.next())//looping to display

{

int stuNo=rs.getInt(1);

String stuName=rs.getString(2);

String stuEmail=rs.getString(3);

System.out.println("Student Register No:"+stuNo+"\t Student Name:"+stuName+"\t

Student E-Mail ID:"+stuEmail);

}

}



}


break;

case 3:

try

{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

System.out.println("Driver Loaded");

con = DriverManager.getConnection("jdbc:odbc:StudentDB");



System.out.println("ENTER REGNUM FOR UPDATE");

Scanner sc=new Scanner(System.in);

int StudReg=sc.nextInt();

System.out.println("ENTER RE- MAILID");

String StudEmail=sc.next();

stmt.executeUpdate("UPDATE StudentInfo SET StudEmail='"+StudEmail+"' WHERE

StudReg="+StudReg+" ");

stmt.cancel();

con.close();

System.out.println("RECOED HAS BEEN UPDATED..");

}



}break;

default:

{

System.out.println("Please Select Right Option");

}

}

}

}


OUTPUT

IF U WANT TO INSERT THE VALUE PRESS 1 TO CONTINUE

IF U WANT TO DISPLAY THE VALUE PRESS 2 TO CONTINUE

IF U WANT TO UPDATE THE VALUE PRESS 3 TO CONTINUE

1

Connection Established

Enter Student Register No: 1003

Enter Student Name: SANKAR

Enter Student E-Mail ID : [email protected]

Successfully Inserted

Connection Closed




2

Driver Loaded Please Wait..


Student Register No:1001 Student Name:MANI Student E-Mail ID:[email protected]

Student Register No:1002 Student Name:PAPPU Student E-Mail ID:[email protected]

Student Register No:1003 Student Name:SANKAR Student E-Mail ID:[email protected]




3

Driver Loaded


ENTER REGNUM FOR UPDATE : 1002

ENTER RE- MAILID : [email protected]

RECOED HAS BEEN UPDATED..





2

Driver Loaded Please Wait..


Student Register No:1001 Student Name:MANI Student E-Mail ID:[email protected]

Student Register No:1002 Student Name:PAPPU Student E-Mail ID:[email protected]

Student Register No:1003 Student Name:SANKA Student E-Mail ID:[email protected]


IMPLEMENTATION OF THREAD BASED APPLICATIONS

AND EXCEPTION HANDLING

import java.*;

import java.io.*;

class thread1 extends Thread

{

public void run()

{

try

{

for(int i=0;i<5;i++)

{

System.out.println("\n\t Thread1 says gud morning"+i);

Thread.sleep(500);

} }


{

System.out.println("\tThread1 is running");

}

System.out.println("\tThread1 is end");

} }

class thread2 extends Thread

{

public void run()

{

try

{

for(int j=0;j<5;j++)

{

System.out.println("\n\t Thread2 says gud evening"+j);

Thread.sleep(800);

} }


{

System.out.println("\tThread2 is running");


}


} }

class arithematic extends Thread

{

public void run()

{

int a=10,b=10,c,d;

{

c=a+b;

System.out.println("\n\tThe value of c : "+c);

}

try

{

d=2/(a-b);

{

System.out.println("\n\t The value of d"+d);

} }

catch(ArithmeticException e)

{

System.out.println("\n\t DIVIDE-BY-ZERO");

}


} }

class threaddemo

{

public static void main (String args[])

{

new thread1().start();

new thread2().start();

new arithematic().start();

}

}


OUTPUT:

Thread2 says gud evening0

Thread1 says gud morning0

The value of c : 20

DIVIDE-BY-ZERO

Thread3 is end








Thread1 is end


Thread2 is end


IMPLEMENTATION OF POINT CLASS

import java.awt.*;

import java.applet.*;

/*<applet code="pointdemo.class" width=1100 height=690>

</applet>*/

public class pointdemo extends Applet

{

Point p1=new Point(20,200);




public void init()

{

setBackground(Color.pink);

}

public void paint(Graphics g)

{

g.setColor(Color.green);

g.drawLine(p1.x,p1.y,p2.x,p2.y);




}

}


OUTPUT:


Drawing Various Shapes Using Graphics Methods

import java.awt.*;


/*<applet code=”face” width=1100 height=690>

</applet>*/

public class grapic extends Applet

{


{

setBackground(Color.white);

g.drawOval(40,40,120,150);

g.fillOval(68,81,10,10);

g.fillOval(120,81,10,10);

g.drawOval(75,125,50,20);

g.fillOval(25,92,15,30);

g.fillOval(160,92,15,30);

g.drawString("II BCA GUYS", 70, 20);

}

}


OUTPUT:


Working with Dialog Boxes and Menus

import java.awt.*;


import java.awt.event.*;

/*<applet code="menu" width="1100" height="690">

</applet>*/

public class menu extends Applet implements ActionListener

{

Menu m1;

MenuItem mi1,mi2;

MenuBar mb;

Dialog d;

Frame f;

Label l;

Button b1,b2;

Panel p;

TextArea text1;

public void init()

{

f=new Frame("II BCA");

p=new Panel();

l=new Label("Are you sure you want to exit..?");

b1=new Button("OK");

b2=new Button("CANCEL");

d=new Dialog(f,"CONFIRM DIALOG BOX",true);

text1=new TextArea(" ",80,40);

mb=new MenuBar();

mi1=new MenuItem("New");

mi2=new MenuItem("Exit");

mi1.addActionListener(this);

mi2.addActionListener(this);

b1.addActionListener(this);

b2.addActionListener(this);

m1=new Menu("File");


m1.add(mi1);

m1.add(mi2);

mb.add(m1);

f.setMenuBar(mb);

f.setSize(500,500);

f.add(text1);

f.setVisible(true);

}

public void actionPerformed(ActionEvent ae)

{

if(ae.getActionCommand().equals("New"))

text1.append("File Menu Option Clicked....");

if(ae.getActionCommand().equals("Exit"))

{

b1.addActionListener(new ActionListener()

{

public void actionPerformed(ActionEvent ae1)

{

f.dispose();

} });

b2.addActionListener(new ActionListener()

{

public void actionPerformed(ActionEvent ae2)

{

d.dispose();

} });

d.setLayout(new BorderLayout());

d.add(l,BorderLayout.WEST);

p.add(b1);

p.add(b2);

d.add(p,BorderLayout.CENTER);

d.setSize(300,100);

d.setVisible(true);

}

} }


OUTPUT


Working with Frames and other Controls

import java.awt.*;


import java.applet.Applet;

public class RMKFRAMES extends Applet implements ActionListener

{

TextField t;

Button b;

public void init()

{

Frame f=new Frame("Frame Demo by II BCA");

f.setLayout(new GridLayout(2,2));

f.setSize(300,200);

b=new Button("Click Me");

b.addActionListener(this);

t=new TextField(40);

f.add(t);

f.add(b);

f.show();

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==b)

{

t.setText("This Program Developed By II BCA");

}

}

}


OUTPUT


Working with Colors and Fonts


import java.awt.*;

/*<applet code="font" width=300 height=100>

</applet>*/

public class RMKCOLORS extends Applet

{


{

g.setFont(new Font("Arial",Font.BOLD,35));

g.setColor(Color.BLUE);

g.drawString("COLORS AND FONT PROGRAM", 100, 100);

setBackground(Color.darkGray);

g.setFont(new Font("Times New Roman",Font.ITALIC,30));

g.setColor(Color.RED);

g.drawString("DEVELOPED BY II BCA", 100, 120);

}

}


OUTPUT:


USAGE OF BUTTONS, LABELS AND TEXT COMPONENTS IN SUITABLE APPLICATIONS

import java.awt.*;



/*

<applet code="RMKCALC" width=300 height=300>

</applet>

*/

public class RMKCALC extends Applet

implements ActionListener

{

String msg=" ";

int v1,v2,result;

TextField t1;

Button b[]=new Button[10];

Button add,sub,mul,div,clear,mod,EQ;

char OP;

public void init()

{

Color k=new Color(120,89,90);

setBackground(k);

t1=new TextField(10);

GridLayout gl=new GridLayout(4,5);

setLayout(gl);


b[i]=new Button(""+i);

}

add=new Button("add");

sub=new Button("sub");

mul=new Button("mul");

div=new Button("div");

mod=new Button("mod");

clear=new Button("clear");

EQ=new Button("EQ");

t1.addActionListener(this);

add(t1);


{

add(b[i]);

}

add(add);

add(sub);


add(mul);

add(div);

add(mod);

add(clear);

add(EQ);


{

b[i].addActionListener(this);

}

add.addActionListener(this);

sub.addActionListener(this);

mul.addActionListener(this);

div.addActionListener(this);

mod.addActionListener(this);

clear.addActionListener(this);

EQ.addActionListener(this);

}

public void actionPerformed(ActionEvent ae)

{

String str=ae.getActionCommand();

char ch=str.charAt(0);

if ( Character.isDigit(ch))

t1.setText(t1.getText()+str);

else

if(str.equals("add"))

{

v1=Integer.parseInt(t1.getText());

OP='+';

t1.setText("");

}

else if(str.equals("sub"))

{


OP='-';

t1.setText("");

}

else if(str.equals("mul"))

{


OP='*';

t1.setText("");

}

else if(str.equals("div"))

{



OP='/';

t1.setText("");

}

else if(str.equals("mod"))

{


OP='%';

t1.setText("");

}

if(str.equals("EQ"))

{


if(OP=='+')

result=v1+v2;

else if(OP=='-')

result=v1-v2;

else if(OP=='*')

result=v1*v2;

else if(OP=='/')

result=v1/v2;

else if(OP=='%')

result=v1%v2;

t1.setText(""+result);

}

if(str.equals("clear"))

{

t1.setText("");

}

}

}


OUTPUT


Usage of Radio Buttons, Check Box, Choice List in Suitable Applications

import java.awt.*;



public class RMKCHECK extends Applet implements ItemListener

{

String str=" ";

String msg=" ";

String str1=" ";

Checkbox c1,c2,c3;

Checkbox cg1,cg2,cg3;

CheckboxGroup cbg;

Choice Subject;

public void init()

{

c1=new Checkbox("FIRST BATCH");

c2=new Checkbox("SECOND BATCH");

c3=new Checkbox("THIRD BATCH");

cbg=new CheckboxGroup();

cg1=new Checkbox("B.C.A",cbg,true);

cg2=new Checkbox("B.Com",cbg,false);

cg3=new Checkbox("B.Sc",cbg,false);

Subject=new Choice();

Subject.add("DOT NET");

Subject.add("C++");

Subject.add("JAVA");

Subject.add("PHP");

Subject.add("JSP");

add(c1);

add(c2);

add(c3); add(cg1); add(cg2); add(cg3); add(Subject);

c1.addItemListener(this);




cg1.addItemListener(this);



Subject.addItemListener(this);

}

public void itemStateChanged(ItemEvent ie)

{

repaint();

}


{

if(c1.getState()==true)

str="FIRST BATCH";


str="SECOND BATCH";


str="THIRD BATCH";

msg=cbg.getSelectedCheckbox().getLabel();

g.drawString("DEPARTMENT NAME: ",50,175);

g.drawString(msg,75,200);

g.drawString("LAB BATCH NUMBER :",50,250);

g.drawString(str,75,275);

str1=Subject.getSelectedItem();

g.drawString("SUBJECT NAME :",50,325);

g.drawString( str1,75,350);

}

}


OUTPUT:


Working with panels and Layouts

import java.awt.*;



import java.util.*;

/* <applet code = RMKPAN height = 350 width = 350>

</applet> */

public class RMKPAN extends Applet

{

public void init()

{

setLayout(new BorderLayout());

add(new Button("TOP"),BorderLayout.NORTH);

add(new Button("BOTTOM"),BorderLayout.SOUTH);

add(new Button("LEFT"),BorderLayout.WEST);

add(new Button("RIGHT"),BorderLayout.EAST);

String str = "\n\t QUAIDE MILLETH COLLEGE\n" + "\n\t Department of BCA\n"+"\n\t

HTTP - Hyper Text Markup Language\n"+ "\t FTP - File Transfer Protocal\n"+"\t JDK - Java

Development Kit\n"+ "\t JVM - Java Virtual Machine\n";

add(new TextArea(str),BorderLayout.CENTER);

}

}


OUTPUT

Documents

Java Lab Record by Prof Manikandan