黑马JAVA P27 运算符：加符号做连接符

原创于 2021-11-22 22:05:45 发布

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package com.itheima.operator;

public class OperatorDemo3 {
    public static void main(String[] args) {
        // 目标： +符号做连接符的识别
        int a = 5;
        System.out.println("abc" +  'a'); //abca
        System.out.println("abc" + a);//abc5
        System.out.println( 5 + a);//10
        System.out.println( "abc" + 5 + 'a');//abc5a
        System.out.println( 15 + "abc" + 15 );//15abc15
        System.out.println( a + 'a' );//102
        System.out.println( a + "" + 'a' );//5a
        System.out.println( a + 'a' + "itheima" );//102itheima
        System.out.println( "itheima" +a +'a' );//itheima5a
        System.out.println( "itheima" + ( a +'a'));//itheima102
    }
}