| int a = 10; |
| int b = 20; |
| int temp = a; |
| a = b; |
| b = temp; |
| System.out.println("a = " + a + ",b = " + b); |
- 方法2:利用赋值符号 = ,再a被赋值前,将a的值赋给b
| int a = 10; |
| int b = 20; |
| a = b + (a-(b = a)); |
| System.out.println("a = " + a + ",b = " + b); |
| int a = 10; |
| int b = 20; |
| a=a^b; |
| b=a^b; |
| a=a^b; |
| System.out.println("a = " + a + ",b = " + b); |
| |
| |
| int a = 10; |
| int b = 20; |
| a = a + b; |
| b = a - b; |
| a = a - b; |
| System.out.println("a = " + a + ",b = " + b); |
| int a = 10; |
| int b = 20; |
| a = a - b; |
| b = a + b; |
| a = b - a; |
| System.out.println("a = " + a + ",b = " + b); |
| int a = 10; |
| int b = 20; |
| a = a * b; |
| b = a / b; |
| a = a / b; |
| System.out.println("a = " + a + ",b = " + b); |
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