public void addpet()
   {
    JPanel playerPane;
    Container contentPane;
    JTextField playerCategoryField, playerBreedField;
    JLabel L1,L2;
   playerPane= new JPanel();
   L1= new JLabel ("Enter pets breed:");
   L2= new JLabel ("Enter pets Category:");
   playerPane.add (L1);
   playerBreedField= new JTextField (20);
   playerPane.add(playerBreedField);
   playerPane.add(L2);
   playerCategoryField= new JTextField(20);
   playerPane.add(playerCategoryField);
   playerPane.add (L2);
   validate();
   pack();
   }