文章列出了Java开发者最常犯的是个错误. 1.将数组转换为ArrayList 为了将数组转换为ArrayList,开发者经常会这样做: ? 1 List<String> list = Arrays.asList(arr); Arrays.asList()会返回一个ArrayList,但这个ArrayList是Arrays的私有静态类,不是java.util.ArrayList.java.util.Arrays.ArrayList有set(), get(), contains()方法,但没有任…

This list summarizes the top 10 mistakes that Java developers frequently make. #1. Convert Array to ArrayList To convert an array to an ArrayList, developers often do this: List<String> list = Arrays.asList(arr); Arrays.asList() will return an Array…

(Sorry for that click-bait heading. Couldn’t resist ;-) ) We’re on a mission. To teach you SQL. But mostly, we want to teach you how to appreciate SQL. You’ll love it! Getting SQL right or wrong shouldn’t be about that You’re-Doing-It-Wrong™ attitude…

This list collects 100 high quality blogs from Java developers from all over the world. Some of these blogs may not be written by Java developers, but at least Java developers should find it useful or interesting. Reading those blogs should be fun an…

本文由HollisChuang 翻译自 The Top 100 Java Libraries in 2016 – After Analyzing 47,251 Dependencies . 原作者:Henn Idan 我们分析了GitHub中47,251个依赖,从中找出了排名前一百的Java类库,让我们看看谁在前面,谁在后面. 我们在漫长的周末的消遣方式就是浏览GitHub并且搜索流行的Java类库.我们决定把其中的乐趣与结果分享给你. 我们分析了GitHub中排名前3,862个项目中的47,2…

我们分析了GitHub中47,251个依赖,从中找出了排名前一百的Java类库,让我们看看谁在前面,谁在后面. 我们在漫长的周末的消遣方式就是浏览GitHub并且搜索流行的Java类库.我们决定把其中的乐趣与结果分享给你. 我们分析了GitHub中排名前3,862个项目中的47,251个导入语句,其中有12,059个Java类库被依赖.我们从这个列表中提取出前一百并把结果分享给你. 最受欢迎的前20个Java类库 和上次分析结果一致,junit依旧是GitHub中最受欢迎的类库.Java中的日志…

Java is one of the most popular programming language nowadays. There are plenty of books for beginners. But to those who have programmed with Java for a while, some of them may look somehow simple and redundant. The beginner’s books do not bring fres…

原文地址:http://zeroturnaround.com/rebellabs/watch-out-for-these-10-common-pitfalls-of-experienced-java-developers-architects/ Can we start by asking a serious question? How easy is it to find advice for novice Java programmers on the web? Whenever I loo…

reference from:http://www.programcreek.com/2013/10/top-10-questions-about-java-exceptions/ This article summarizes the top 10 frequently asked questions about Java exceptions. 1. Checked vs. Unchecked In brief, checked exceptions must be explicitly c…

作者:X Wang 出处:http://www.programcreek.com/2013/09/top-10-methods-for-java-arrays/ 转载文章,转载请注明作者和出处 The following are top 10 methods for Java Array. They are the most voted questions from stackoverflow. 0. Declare an array String[] aArray = new String[5…