Java Class Example /* Java Class example. This Java class example describes how class is defined and ...

Java Class Example

02:30 PASSOVE INCOME 0 Comments

                   Java Class Example

  1. /*
  2. Java Class example.
  3. This Java class example describes how class is defined and being used
  4. in Java language.
  6. Syntax of defining java class is,
  7. <modifier> class <class-name>{
  8.   // members and methods
  9. }
  10. */
  12. public class JavaClassExample{
  13.   /*
  14.   Syntax of defining memebers of the java class is,
  15.     <modifier> type <name>;
  16.   */
  17.   private String name;
  18.   /*
  19.   Syntax of defining methods of the java class is,
  20.   <modifier> <return-type> methodName(<optional-parameter-list>) <exception-list>{
  21.                     ...
  22.   }
  23.   */
  24.   public void setName(String n){
  25.     //set passed parameter as name
  26.     name = n;
  27.   }
  28.   public String getName(){
  29.     //return the set name
  30.     return name;
  31.   }
  32.   //main method will be called first when program is executed
  33.   public static void main(String args[]){
  34.     /*
  35.     Syntax of java object creation is,
  36.     <class-name> object-name = new <class-constructor>;
  37.     */
  38.     JavaClassExample javaClassExample = new JavaClassExample();
  39.     //set name member of this object
  40.     javaClassExample.setName("Visitor");
  41.     // print the name
  42.     System.out.println("Hello " + javaClassExample.getName());      
  43.   }
  44. }
  46. /*
  47. OUTPUT of the above given Java Class Example would be :
  48. Hello Visitor
  49. */

0 comments:

Subscribe to: Post Comments (Atom)