idea快捷键

package com.itheima.shorcut;

public class Demo1 {

   

    public static void main(String[] args) {
        System.out.println("快捷键真舒服！");
        for (int i = 1; i <= 5; i++) {
            System.out.println(i);
        }
        int a = 10;
        byte b = (byte) a;
    }
}