J2SE基础/变量交换
/** * 交换变量 */static void changeField() {int i = 5;int j = 10;i = i + j;j = i - j;i = i - j;System.out.println("i:" + i + "\tj:" + j);}static void changeField1() {int i = 5;int j = 10;int temp = i;i = j;j = temp;System.out.println("i:" + i + "\tj:" + j);}static void swapField(){int i = 1;int j = 2;i = i^j;j = i^j;i = i^j;System.out.println("i:" + i + "\tj:" + j);}?