| 25 | */ |
| 26 | public class StudentDemo { |
| 27 | public static void main(String[] args) { |
| 28 | Student s1 = new Student(); |
| 29 | System.out.println(s1.hashCode()); // 2100664515 |
| 30 | Student s2 = new Student(); |
| 31 | System.out.println(s2.hashCode()); // 1237346925 |
| 32 | System.out.println("------------"); |
| 33 | |
| 34 | Student s3 = new Student(); |
| 35 | Class c = s3.getClass(); |
| 36 | String name = c.getName(); |
| 37 | System.out.println(name); // cn.itcast_01.Student |
| 38 | System.out.println("------------"); |
| 39 | |
| 40 | Student s4 = new Student(); |
| 41 | // �����ֱ�����һ����������ƣ���ʵ������Ǹö�����õ�toString()��������ַ��� |
| 42 | System.out.println(s4); // cn.itcast_01.Student@79f1d448 |
| 43 | // System.out.println(s4.toString()); // cn.itcast_01.Student@79f1d448 |
| 44 | |
| 45 | // cn.itcast_01.Student@79f1d448 |
| 46 | // String s = s4.getClass().getName() +"@"+ |
| 47 | // Integer.toHexString(s4.hashCode()); |
| 48 | // System.out.println(s); |
| 49 | |
| 50 | Student s5 = new Student("����ϼ",28); |
| 51 | System.out.println(s5); |
| 52 | } |
| 53 | } |