Example of Inheritance in Java

class WorkerDetail 
           { 
               int c,s; 
               String n; 
               float h; 
               void SetSalary(int x, String y, int z) 
                    { 
                       c=x; 
                       n=y; 
                       s=x; 
                    } 
                       void ShowDetail() 
                         { 
                             System.out.println("Code : "+ c); 
                             System.out.println("Name : "+n); 
                             System.out.println("Salary : "+s); 
                         } 
                             void getHra() 
                               { 
                                  h=(float)s*60/100; 
                                  System.out.println("HRA : "+h); 
                               } 
           } 
                  class officerDetail extends WorkerDetail 
                     { 
                        float d,g; 
                        void getda() 
                           { 
                              d=(float)s*98/100; 
                              System.out.println("DA : "+d); 
                           } 
                              void getGross() 
                                   { 
                                       g=s+h+d; 
                                       System.out.println("Gross : "+g); 
                                   } 
                    }; 
                        class ExInheritance 
                                  { 
                                      public static void main(String args[]) 
                                           { 
                                               WorkerDetail wD = new WorkerDetail(); 
                                               officerDetail oD = new officerDetail(); 
                                               wD.SetSalary(121,"Aman",13000); 
                                               oD.SetSalary(111,"Amrik",30000); 
                                               System.out.println("Detail of Worker is :"); 
                                               wD.ShowDetail(); 
                                               wD.getHra(); 
                                               System.out.println("Detail of Officer is :"); 
                                               oD.ShowDetail(); 
                                               oD.getHra(); 
                                               oD.getda(); 
                                               oD.getGross(); 
                                           } 
                                  };