Java 交换两个变量的值
1 //交换两个变量的值 2 // 1 3 int nu1 = 10; 4 int nu2 = 20; 5 6 System.out.println("nu1 = "+nu1+"\t"+"nu2 = "+nu2); 7 8 int temp; 9 10 temp = nu1; 11 nu1 = nu2; 12 nu2 = temp; 13 14 System.out.println("nu1 = "+nu1+"\t"+"nu2 = "+nu2); 15 16 //2 17 // num1 = num1 + num2; 18 // num2 = num1 - num2; 19 //num1 = num1 - num2; 20 // System.out.println("nu1 = "+nu1+"\t"+"nu2 = "+nu2); 21 22 23 //3 24 // num1 = num1 ^ num2; 25 // num2 = num1 ^ num2; 26 // num1 = num1 ^ num2; 27 // System.out.println("nu1 = "+nu1+"\t"+"nu2 = "+nu2); 28
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