| 1 | public class CounterDemo { |
| 2 | |
| 3 | public static void main(String[] args) { |
| 4 | Counter tally = new Counter(); |
| 5 | tally.click(); |
| 6 | tally.click(); |
| 7 | int result = tally.getValue(); |
| 8 | System.out.print("result: "); |
| 9 | System.out.println(result); |
| 10 | } |
| 11 | |
| 12 | } |
| 13 | |
| 14 | |
| 15 | public class Counter { |
| 16 | |
| 17 | private int value; |
| 18 | |
| 19 | public int getValue() { |
| 20 | return value; |
| 21 | } |
| 22 | |
| 23 | |
| 24 | public void click() { |
| 25 | value = value + 1; |
| 26 | } |
| 27 | |
| 28 | |
| 29 | public void reset() { |
| 30 | value = 0; |
| 31 | } |
| 32 | } |