【问题描述】 定义int型变量n1,n2,n3,n4,n5,使用赋值运算符,循环交换这...答:public static void main(String[] args){int n1 = 1, n2 = 2, n3 = 3, n4 = 4, n5 = 5;System.out.println(n1 + ", " + n2 + ", " + n3 + ", " + n4 + ", " + n5);int temp = n1;n1 = n2;n2 = n3;n3 = n4;n4 = n5;n5 = temp;System.out.println(n1 ...