Analysis of Java "Hello World" Program

Java Programming Java8Java Technologies Object Oriented Programming

Consider the below “Hello World” program.

public class MyFirstJavaProgram {
   /* This is my first java program.
    * This will print 'Hello World' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello World"); // prints Hello World
   }
}

Analysis

public  − scope of the class. Public means visible to all.

class  − declares the class in java.

/*    */ − Comments section.

static − marks element as static so that it can be accessed without creating the object.

void − return type of the function. void refers to nothing.

String[] args − command line arguments. 

System.out.println() − print the statement on the console.

public static void main() − the main method is startup method of java program. It is visible to all, it is static, so no object is required, and it is not returning any value.

raja
Published on 19-Jan-2018 14:55:18
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