计划围绕以下几个方面1.内存2.正则表达式 3.String.format4.编码1.内存 先来看个经典的例子public class Blog { public static void main(String[] args) { String s0 = "123"; String s1 = "123"; String s2 = new String("123"); String s3 = new String("123"); System.out.println(s0 == s1);// true S... Read More
