The if decision structure

The if statement evaluates a condition and if the result is true then it runs the line of code that follows it. Here is an example of how to test if the value of a variable called I is equal to 5 :public class Decisions{               public static void main( String [ ] args )                {                int i = 5 ;              ...

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How to use Command-Line Arguments

Using Command-Line ArgumentsHelps us to pass information into a program when it is runclass CommandLine {public static void main (String args [ ] ) {for (int i= 0; I < args.length ; i ++ )System.out.println(“ args [ “ + i + “ ] ; “ + args [ i ]) ;}} To execute a program, we write from the command prompt: java CommandLine this is a test 100...

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Simple program to arrange the citynames in ascending order

Simple program to arrange the citynames in ascending order class stasc{                    public static void main (String args [ ])                     {                                       ...

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arrange the numbers in descending order

class comm.{                    public static void main (String args [] )                    {                    int I,j,k ;                    k= args.length;                   ...

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How to run Java program

A First Simple Program /* This is a simple program Call this file “Example.java”. */ Class Example { //Your program begins with a call to main (). Public static void main (String args[]) { System.out.println (“This is a simple Java program “); } } Entering the program -The name of a source file is very important -In Java, all code must reside inside a class. By convention ,the name of that class should match the name of the file that holds the program -A source file use the .java filename extension Compilling the Program C:>\javac Example...

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Features of java programming language

Compiled and interpreted Platform – IndependentObject – OrientedRobust and SecureDistributedMultithreaded Dynamic and Extensible Compiled and interpreted:-                Usually a computer language is either compiled or interpreted. Java combines both these approaches thus making Java a two stage system. First, Java compiler translates sources code into what is known as byte code instruction. Byte codes are not machine instructions and therefore, in the second stage. Java...

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Program to enter a 5*5 matrix and display it

class matrix{Public static void main (String arg []){int two [] [] = new int [5] [5];{int i,j,k =0;for (i= 0; i<5 ; i++) {for (j=0 ; j<5; j++){Two [i] [j] = k;k++;} }for (i=0; k=5 ;i++){for (j=0; j<5 ; j++){System.out.print( two [i] [i] + “  “ );}System.out.println( );}...

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