JAVA_STEP_BY_STEP_TUTORIAL

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Java Step by Step tutorial help

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DOUBTSINJAVA:

DOUBTSINJAVA A Step By Step Tutorial For Java Beginners visit: www.doubtsinjava.in

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Java HelloWorld Program class HelloWorld { public static void main ( String [] args ) { System.out.println ( "HelloWorld" ) ; } }

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Compile the program To compile the Example program,first you should install java compiler(JDK download)and set the java classpath ,then execute the compiler, javac , specifying the name of the source file on the command line, as shown here: C:\myjava:\> javac HelloWorld.java

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Run the program To run the program you must use the Java interpreter (JVM), called java. To do so, pass the class name HelloWorld as a command-line argument, as shown here: C:\myjava:\>java HelloWorld When the program is run, the following output is displayed: HelloWorld

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Description The keyword "class" is used to create a user defined data type or is a template which hold the user variable ,method etc And the class name HelloWorld is used to identify the class we can provide any string as class name except Java keyword The public static void main(String[] args ) ,is the main method(function) or first execution method of Java program More details: www.doubtsinjava.in

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THANKS www.doubtsinjava.in

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