Are inner classes more lightweight than normal classes, or in the end java compiles inner classes just like normal classes?
So I was doing some jUnit testing and wanted to write distinct classes that had similar functionality but were small enough to write within a single class.Regardless of the decision for design it brou
I have implemented a ListView and want the OnClickListener to use the long id parameter (ie. which item from the list was clicked) to index the String[] that I am populating the list from, so that I c
I\'m trying to make a JButton click event modify the JFrame the button is on.The problem is the class itself is the JFrame (extending from it), so I can\'t invoke \'this\' from the inner class that ha
Java compiler complains when you write a code that is unreachable. For example public void go() { return;
I tried to declare a class as shown below class Outer{ private final class Inner{ public static final String s1 = new String(\"123\");
This question already has answers here: Can we create an object of an interface? (6 answers) Closed 7 years ago.
Below, is some toy code that demonstrates my question. The first one is a version that compiles, and the second is a version that does not comp开发者_如何转开发ile.
With anonymous inner classes, how does Java treat fields that are declared outside of the anonymous inner class block.
I understand that to instantiate an inner class (i.e. non-static), you need an instance of the enclosing class. This makes things a little more complicated if the enclosing class is abstract (don\'t a