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.
5.  
6. Syntax of defining java class is,
7. <modifier> class <class-name>{
8.   // members and methods
9. }
10. */
11.  
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. }
45.  
46. /*
47. OUTPUT of the above given Java Class Example would be :
48. Hello Visitor
49. */