正文Java-从一个字符串获取子字符串IP云V管理员/2022-09-24/3 阅读 09/24提示:扫一扫查出行【扫一扫了解最新限行尾号】复制提示substring函数 package com.tj; public class MyClass implements Cloneable { public static void main(String[] args) { int star = 1; int end = 4; String s = "aString".substring(star, end); System.out.println(s); } }