Class declaration with one method : Defining Class « Class Definition « Java Tutorial

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Java Tutorial » Class Definition » Defining Class

5. 1. 6. Class declaration with one method


public class MainClass

{

   public static void main( String args[] )

   { 

      GradeBook myGradeBook = new GradeBook(); 



      myGradeBook.displayMessage(); 

   }

}



class GradeBook

{

   public void displayMessage()

   {

      System.out.println( "Welcome to the Grade Book!" );

   }



}

Welcome to the Grade Book!

5. 1. Defining Class
	5. 1. 1.	What Is a Java Class?
	5. 1. 2.	Fields
	5. 1. 3.	Defining Classes: A class has fields and methods
	5. 1. 4.	Creating Objects of a Class
	5. 1. 5.	Checking whether the object referenced was of type String
	5. 1. 6.	Class declaration with one method
	5. 1. 7.	Class declaration with a method that has a parameter
	5. 1. 8.	Class that contains a String instance variable and methods to set and get its value
	5. 1. 9.	Class with a constructor to initialize instance variables
	5. 1. 10.	Specifying initial values in a class definition

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