      List<Bar> barList = new ArrayList<>();      Bar bar0 = new Bar();     bar0.setBloodGroup("O +ve");     bar0.setDayOfPassing("Wednesday");      Bar bar0 = new Bar();     bar0.setBloodGroup("O +ve");     bar0.setDayOfPassing("Wednesday");      Bar bar0 = new Bar();     bar0.setBloodGroup("O +ve");     bar0.setDayOfPassing("