Java中字符串的拼接和转义

Posted 2021-01-05

Java中字符串的拼接和转义

package com.testToken.demo;

public class Test {
    public static void main(String[] args) {
        String str="Apple";
        System.out.println(str);

        String str2=""Apple""; //输出"Apple"
        System.out.println(str2);

        String str3="A apple "pie" ";
        System.out.println(str3);

        String str4="\Apple";
        System.out.println(str4);

        String flag="true";
        String token="123";
        String res="{"flag":"+flag+","token":""+token+""}"; 
        System.out.println(res);

        String res2="{"flag":"" +flag+"","token":""+token+""}"; 
        System.out.println(res2);
    }

}