reference from:http://www.programcreek.com/2013/09/top-10-questions-for-java-collections/ The following are the most popular questions of Java collections asked and discussed on Stackoverflow. Before you look at those questions, it's a good idea to s…

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…

这里列举了Java Array 的前十的方法.他们在stackoverflow最大投票的问题. The following are top 10 methods for Java Array. They are the most voted questions from stackoverflow. 0.声明一个数组 0. Declare an array String[] aArray = new String[5]; String[] bArray = {"a", "b&…

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…

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…

(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…

By X Wang Update History:Web Version latest update: 4/6/2014PDF Version latest update: 1/16/2014 The following are top 10 algorithms related topics for coding interviews. As understanding those concepts requires much more effort, this list below only…

Part 1 http://techmytalk.com/2014/01/24/java-interview-reference-guide-part-1/ Posted on January 24, 2014 by Nitin Kumar JAVA Object Oriented Concepts Java in based on Object Oriented concepts, which permits higher level of abstraction to solve any p…

The following are top 10 algorithms related concepts in coding interview. I will try to illustrate those concepts though some simple examples. As understanding those concepts requires much more efforts, this list only serves as an introduction. They…