为什么我写java程序时，明明一点语法错误都没有，但是编译时总会出这个错误：non-static variable this cannot be referenced from a static context？ 害得我要在每一个变量、函数、类前加上static才能解决，为什么会这样呢？有没有什么好的解决方法？

Variables are the bread and butter of coding. Without variables, apps would have no interactivity and no way of manipulating information. Therefore, learning about variables in Java should be among ...

What would be the best way to share variables/objects between different GUI elements in java? Basically I have several ArrayList objects I want my modal dialogs to have access to. Also, where is the ...

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

It's always a good idea to employ a few static code analysis tools as part of your software development routine. There are a number of great tools that perform static analysis of Java code, such as ...