Java Programs - Www.itstudentjunction

7/31/2019 Java Programs - Www.itstudentjunction

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java programs

Starting java program - hello world

classHelloWorld {

public static void main(String[] args)

{

System.out.println("Hello World!");

}

}

Saving java programs

Every java program should be saved as name of java class

example the above program should be saved as HelloWorld.java

Compiling java programs

Compliling java programs check the program for syntax errors and once no errorsare detected, byte code is created as a class file . 'javac ' command is used to

compile java programs

eg. for compling HelloWorld program (in command prompt)

avac HelloWorld.java

Executing java programs

Executing java program interprets the byte code created

eg. Running a HelloWorld program

ava HelloWorld

Java programs list


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ava program to add two numbers

ava program to check a number is armstrong or not

ava program to check prime numbers below range

ava program to check a number is prime or not

ava program to find a string is palindrome or not ava program to connect to mysql database

ava program to connect to oracle database

ava program to count characters, words lines in a string

ava program to copy one file into another

ava program to find factorial of a number

ava program to find fibonacci series

ava program to find palindrome of a number

ava program to find roots of quadriatic equation

ava program to find simple interest

ava program to implement stack

ava program to list files in a directoryava program to multiply two matrices

ava program to print pascals triangle

ava program to read a file

ava program to read a file line by line

ava program to reverse a given number

ava program to show arithmetic operations

ava program to show current current date and time

ava program to show maximum of two numbers

ava program to sort list of strings

ava program to find area of rectangle

Java program to show example of arthemetic, logic & relational operations

Java program to explain break and continue statements.

Java program to find average marks

Java program to find multiplication of matrices

Java program to find sum of digits of integer

Java program to create objects of a class .

ava program to show constructor overloading.

ava program to compare two stack variables

ava program to show private member of superclass

ava program to show inheritance

ava program to show polymorphism

ava program to calculate charges of various trunk calls using polymorphism

ava program to import package and access method in it

Java to show the usefulness of Interfaces as a place to keep constant value of the

program.

ava program to show method overriding

ava program to show implementation of interface.java program to show Array

index out of bound Exception

Java program to show divide by zero exception.
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ava program to throw number format exception

ava program to avoid vehicle collision of vechicle coming in opposite direction

ava program to show thread priority

ava program to launch multiple threads and count them.

ava program to generate 2 threads, one for printing even numbers and the other

for printing odd numbers.ava program to show thread synchronisation.

ava program to read text and display length in textbox

Write a program in Java for String handling which performs the following:

i) Checks the capacity of StringBuffer objects.

ii) Reverses the contents of a string given on console and converts the resultant

string in upper case.

iii) Reads a string from console and appends it to the resultant string of ii.

ava program to find first and last occurance of char substring in a string

Java program to read a statement from console, convert it into upper case and

again print on console.ava program which takes the name of a file from user, read the contents of the file

and display it on the console

Java program to copy a file into another file.

ava applet to read text and display length in textbox use colors

ava applet which displays a rectangle/string with specified colour & coordinate

passed as parameter from the HTML file.

ava applet which will display the calendar of a given date.

java program to displaystudents detail using Card Layout

ava applet to add scrollbars to textarea and find a word in a text.

Java program to find the numeric address of web sites

ava applet to accept name age and display message and url

avaprogram to test Socket functionality for appropriate hostname and port

number.

Java program to connect to a database and perform operations of Selection,

Insertion and Deletion on the database.
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Java Programs - Www.itstudentjunction