for循环实现获取指定范围数据
package com.itheima_04;
/*
* 获取数据1-5和5-1
*/
public class ForTest {
public static void main(String[] args) {
//获取数据1-5
System.out.println(1);
System.out.println(2);
System.out.println(3);
System.out.println(4);
System.out.println(5);
System.out.println("-----");
//用循环改进
for(int x=1; x <= 5; x++) {
System.out.println(x);
}
System.out.println("-----");
//获取数据5-1
for(int x = 5; x >= 1; x--) {
System.out.println(x);
}
}
}
