Community driven content discussing all aspects of software development from DevOps to design patterns. The correct way to convert a String to long in Java is to use the parseLong(String x) method of ...

How to Extract a Substring in Excel Using FIND() and MID() Functions Your email has been sent Learn how to use MID() and FIND() and then combine them to parse substrings from inconsistent data.

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

今天给大家聊聊咱们平时写代码的时候，最常见的 String 字符串代码，他的一些底层原理，以及使用不当可能引发的内存泄漏的问题，相信对于大家平时日常开发写代码会有一定的帮助。 今天给大家聊聊咱们平时写代码的时候，最常见的 String 字符串代码，他的 ...

refresher project from Hackerrank to practice writing a custom Comparator (original problem at https://www.hackerrank.com/challenges/java-string-compare/problem).

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase ...