Java到底是传值还是传引用

https://stackoverflow.com/questions/40480

怎样避免在代码中滥用 != null 判断

https://stackoverflow.com/questions/271526

怎样把InputStream转成String

https://stackoverflow.com/questions/309424

HashMap和HashTable的区别

https://stackoverflow.com/questions/40471

把数组初始化成一个ArrayList

https://stackoverflow.com/questions/157944

给定范围生成随机数

https://stackoverflow.com/questions/363681

怎样优雅的遍历一个HashMap

https://stackoverflow.com/questions/1066589

什么时候应该用LinkedList，而不是ArrayList

https://stackoverflow.com/questions/322715

怎样把String转换成int

https://stackoverflow.com/questions/5585779

怎样把String转换成int

https://stackoverflow.com/questions/5585779

最好的初始化ArrayList方法

https://stackoverflow.com/questions/1005073

判断数组中是否包含某个元素

https://stackoverflow.com/questions/1128723

创建线程是应该用Runnable还是用Thread

https://stackoverflow.com/questions/541487

怎样从String获取枚举值

https://stackoverflow.com/questions/604424

URLConnection用法

https://stackoverflow.com/questions/2793150

打印java数组的最好方法

https://stackoverflow.com/questions/409784

生成随机包含数字-字母的字符串

https://stackoverflow.com/questions/41107

按照value排序map

https://stackoverflow.com/questions/109383

Split一个字符串

https://stackoverflow.com/questions/3481828

StringBuffer和StringBuilder

https://stackoverflow.com/questions/355089

把文件内容读取到一个String中

https://stackoverflow.com/questions/326390

把java堆栈信息存到一个String里

https://stackoverflow.com/questions/1149703

快速判断一个整数的平方根也是个整数

https://stackoverflow.com/questions/295579

创建并写入文件

https://stackoverflow.com/questions/2885173

拼接数组

https://stackoverflow.com/questions/80476

Java四舍五入到小数点后n位

https://stackoverflow.com/questions/153724

在循环中删除元素

https://stackoverflow.com/questions/223918

把ArrayList转换成数组的正确方式

https://stackoverflow.com/questions/5374311

按照集合中元素的某个属性排序

https://stackoverflow.com/questions/2784514

初始化一个Map静态变量

https://stackoverflow.com/questions/507602

创建一个泛型数组

https://stackoverflow.com/questions/529085

怎样初始化一个HashMap

https://stackoverflow.com/questions/6802483

解析Json

https://stackoverflow.com/questions/2591098

计算MD5

https://stackoverflow.com/questions/415953

在一个整数添加0，以凑够指定位数

https://stackoverflow.com/questions/473282

获取当前的工作目录

https://stackoverflow.com/questions/4871051

应该使用哪个版本的@NotNull

https://stackoverflow.com/questions/4963300

HashMap, LinkedHashMap, TreeMap的区别

https://stackoverflow.com/questions/2889777

Java8把List转换成Map

https://stackoverflow.com/questions/20363719

使用StringBuilder和使用”+”做字符串拼接的差异

https://stackoverflow.com/questions/1532461