System标准输出流

package com.czie.iot1913.lps.IO.System;

import java.io.PrintStream;

/**
 * FileName: SystemOutDemo
 * Author:   lps
 * Date:     2022/3/27 16:34
 * Sign:刘品水 Q：1944900433
 */
public class SystemOutDemo {
    public static void main(String[] args) {
        PrintStream ps = System.out;
        ps.println("java");
        ps.print("hello");
        // System.out本质是一个字节输出流
        System.out.println("Hello");


    }
}