/* Program to demonstrate DataInputStream class Using Conditional Operator */
import java.io.DataInputStream; // to load DataInputStream class
class P22B
{
public static void main(String args[])
...
Program to demonstrate DataInputStream class Using Conditional Operator
READ MORE - Program to demonstrate DataInputStream class Using Conditional Operator
Program to demonstrate System.out.write()
/* Program to demonstrate System.out.write() */
class WriteDemo
{
public static void main(String args[ ])
{
int i; char c ; float f;double d;
...
Program to demonstrate Wrapper Class Methods
/* Program to demonstrate Wrapper Class Methods */
import java.io.*;
class WrapperClassDemo
{
public static void main(String args[])
{
// Converting number...
Program to demonstrates various Vector Operation
/* Program to demonstrates various Vector Operation */
import java.util.*;
class VectorDemo
{
public static void main(String args[ ])
{
// initial size is 4, increment is 2
...
Program to print two-dimensional Square Root Table
/* Program to print two-dimensional Square Root Table */
import java.text.*; // to include DecimalFormat class
class TwoDArray5
{
public static void main(String args[])
{
...
Program for Matrix Multiplication
/* Program for Matrix Multiplication */
class TwoDArray4
{
public static void main(String args[ ])
{
int i,j,k;
int multi[][]= new...
Program for Matrix Addition
/* Program for Matrix Addition */
class TwoDArray3
{
public static void main(String args[ ])
{
int i , j;
int add[][]= new int[3][3];
...
Program that display average of marks for each subject
/* Program that display average of marks for each subject*/
class TwoDArray2
{
public static void main(String args[ ])
{
int i , j ;
...
Program that adds up the individual elements of 2 D Array
/* Program that adds up the individual elements of 2 D Array*/
class TwoDArray1
{
public static void main(String args[ ])
{
int i , j , sum ;
...
Program to demonstrates the - trim( )
/* Program to demonstrates the - trim( ) */
class trimDemo
{
public static void main(String args[ ])
{
String s1 = " Mahatma...
Program to demonstrates the - toCharArray( )
/* Program to demonstrates the - toCharArray( ) */
class toCharArrayDemo
{
public static void main(String args[ ])
{
String s =" Java is Object Oriented Language";
...
Program to demonstrate - toString()
/* Program to demonstrate - toString() */
class Rectangle
{
int length;
int width;
Rectangle(int l,int w)
{
...
Program for Matrix Multiplication
/* Program for Matrix Multiplication */
class ThreeDArray
{
public static void main(String args[ ])
{
int a[][][]={ { {5,0,2}, {0,0,9}, {4,1,0}, {7,7,7}},
...
Program to demonstrates the - substring()
/* Program to demonstrates the - substring() */
class substringDemo
{
public static void main(String args[ ])
{
String s="India,Nepal,Bhotan,ShriLanka,China";
...
Program to concatenates three strings
/* Program to concatenates three strings */
class StringDemo3
{
public static void main(String args[ ])
{
String name = "Indira";
String...
Construct string from subset of char array
/* Construct string from subset of char array */
class StringDemo2
{
public static void main(String[] args)
{
byte ASCII[]={65,66,67,68,69,70};
...
Construct one string from another
/* Construct one string from another */
class StringDemo1
{
public static void main(String[] args)
{
char name[]={'I','N','D','I','A'};
...
Program to demonstrate StringBuffer Methods
/* Program to demonstrate StringBuffer Methods */
class StringBufferDemo
{
public static void main(String args[ ])
{
// using length() and capacity()
...
try,catch and finally blocks in Exception Handling
The try Block:The first step in constructing an exception handler is to enclose the code that might throw an exception within a try block. In general, a try block looks like the following:
try {
code
}
catch and finally blocks . . .
The segment in...
Types of Exceptions
1. checked exception:
These are exceptional conditions that a well-written application should anticipate and recover from. Example:suppose an application prompts a user for an input file name, then opens the file by passing...
What Is an Exception and it's Advantages?
Definition: An exception is an event, which occurs during the execution of a program, that disrupts the normal flow of the program's instructions.
When an error occurs within a method, the method creates an object and hands it off to the runtime...
Program to demonstrate append() and insert() Functions
import java.lang.System;
import java.lang.String;
import java.lang.StringBuffer;
public class StringBufferApp {
public static void main(String args[]) {
StringBuffer sb = new StringBuffer(" is ");
sb.append("Hot");
sb.append('!');
...
Program to demonstrate some usefull method in java
import java.lang.System;
import java.lang.String;
public class StringApp {
public static void main(String args[]) {
String s = " Java Developer's Guide ";
System.out.println(s);
System.out.println(s.toUpperCase());
...
Program to demonstrates the - startsWith() and endsWith()
/* Program to demonstrates the - startsWith() and endsWith() */
class startsWith_endsWithDemo
{
public static void main(String args[ ])
{
String s1="Yahoo";
System.out.println(s1+"...
Program to demonstrates the - replace( )
/* Program to demonstrates the - replace( ) */
class replaceDemo
{
public static void main(String args[ ])
{
String s1 = "Bye Bye !!";
...
Program to demonstrates the - regionMatches( )
/* Program to demonstrates the - regionMatches( ) */
class regionMatchesDemo
{
public static void main(String args[ ])
{
String s1="Java is object oriented...
Read multiple lines from console using a DataInputStream
/* Read multiple lines from console using a DataInputStream */
import java.io.*;
class ReadDemo3
{
public static void main(String args[ ]) throws IOException
{
...
Use a DataInputStream to read characters from the console
/* Use a DataInputStream to read characters from the console */
import java.io.DataInputStream; // load class for reading purpose
class ReadDemo1
{
public static void main(String args[ ])
{
...
Read a string from console using a DataInputStream
/* Read a string from console using a DataInputStream */
import java.io.*;
class ReadDemo2
{
public static void main(String args[ ]) throws IOException
{
...
Program to display squares and cubes of first ten numbers
/* Program to display squares and cubes of first ten numbers */
class ForDemo3
{
public static void main(String args[])
{
int num , square , cube ;
...
Program To Create Table of 31 to 40
/* Program To Create Table of 31 to 40 */
import java.io.*;
class Tables
{
public static void main(String[] arg)
{
for(int i=1;i<=10;i++)
{
for(int j=31;j<=40;j++)
...
Program To Create Table of 2 to 10
/* Program To Create Table of 2 to 10 */
import java.io.*;
class Tables
{
public static void main(String[] arg)
{
for(int i=1;i<=10;i++)
{
for(int j=2;...
Program To Create Table of 11 to 20
/* Program To Create Table of 11 to 20 */
import java.io.*;
class Tables
{
public static void main(String[] arg)
{
for(int i=1;i<=10;i++)
{
for(int j=11;j<=20;j++)
...
using break to exit a for loop
/* using break to exit a for loop */
class BreakDemo1
{
public static void main(String args[])
{
for(int i =0;i<100;i++)
{
...
Program to take Input from User
/* Program to take Input from User */
import java.io.DataInputStream;
class Read
{
public static void main(String args[])
{
int i;
...
Program to convert Rs. into paise
/* Program to convert Rs. into paise */
class P17
{
public static void main(String args[])
{
double rs=75.95;
double paise1,paise2;
...
Program to compute distance light travels
/* Program to compute distance light travels */
class P13
{
public static void main(String args[])
{
int lightspeed;
long days, seconds,distance;
...
Program to demonstrate Bitwise Logical operators
/* Program to demonstrate Bitwise Logical operators */
class BitLogic
{
public static void main(String args[])
{
int A=35,B=15,C=3;
System.out.println("A...
Program to demonstrate Bitwise Operator Assignments
/* Program to demonstrate Bitwise Operator Assignments */
class BitAssign
{
public static void main(String args[])
{
int A=1,B=2,C=3;
A...
Addition and Subtraction of Integer numbers
/*Program to demonstrate the addition and subtraction of Integer numbers*/
class AddSubInt
{
public static void main (String args[])
{
int i = 5;
int j = 3;
...
Program to demonstrate the addition and subtraction of double numbers
/* Program to demonstrate the addition and subtraction of double numbers*/
class AddSubDoubles
{
public static void main (String args[])
{
double x = 7.5;
...
program to demonstrates inner class
/* program to demonstrates inner class */
class Outer
{
int outer_a = 200;
void show()
{
Inner i = new Inner();
i.display();
...
Program to add, delete and print an item in shopping list
/* Program to add, delete and print an item in shopping list */
import java.util.*;
import java.io.DataInputStream; // to load DataInputStream class
class...
Program that accepts a shopping list of five items from the command line and stores them in a vector
/* Program that accepts a shopping list of five items from the command line and stores them in a vector */
import java.util.*;
class P33
{
public static void main(String args[ ])
{
...
Program to store various types of objects in Vector
/* Program to store various types of objects in Vector */
import java.util.*;
class Person
{
String FirstName = new String();
String LastName = new String();
Person(String Fname, String Lname)
...
Program that throws a 'NoMatchException' when a string is not equal to “India”
/* Program that throws a 'NoMatchException' when a string is not equal to “India” */
class NoMatchException extends Exception
{
private String str;
NoMatchException(String str1)
...
Program to demonstrates try and multiple catch
/* Program to demonstrates try and multiple catch */
import java.io.DataInputStream; // to load DataInputStream class
class P30
{
public static void main(String...
Program which uses toStirng() method
/* Program which uses toStirng() method */
import java.io.DataInputStream; // to load DataInputStream class
class Person
{
String FirstName = new...
Program to sort a list of sir names
/* Program to sort a list of sir names */
import java.io.DataInputStream; // to load DataInputStream class
class P28
{
public static void main(String...
Program for Question-Answer
/* Program for Question-Answer */
import java.io.DataInputStream; // to load DataInputStream class
class P26
{
public static void main(String args[ ])
...
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