Java program to print message using class

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mahmoud2506

2022-05-06

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Creating method in same class (public class) in which main method exists:

// Creating method in same class (public class)
// in which main method exists.

import java.util.*;

class HelloWorld {
  public void dispMessage() {
    System.out.println("Hello World.");
  }

  //Main method
  public static void main(String s[]) {
    //creat object of HelloWorld Class
    HelloWorld obj = new HelloWorld();
    obj.dispMessage();
  }
}

Output

Compile: javac HelloWorld.java 
Run: java HelloWorld

Output:
Hello World.

Creating method in other (external) class:

// Creating method in other (external) class

import java.util.*;

//class to print message
class ShowMessage {
  public void dispMessage() {
    System.out.println("Hello World.");
  }
}

//public class
public class HelloWorld {
  //main method
  public static void main(String[] s) {
    //create object of ShowMessage class.
    ShowMessage obj = new ShowMessage();
    obj.dispMessage();
  }
}

Output

Compile: javac HelloWorld.java 
Run: java HelloWorld

Output:
Hello World.

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total answers (1)

Java program to print message using class

Java program to print message using class

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Java Class and Object Programs

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