3. Create a new Java Class that uses the same name as the class containing the main method in this program 5. Save and run the program import java.util.HashMap; class NestedDictionaries { // The main ...

For loops in Java are extremely powerful and lend themselves to many different coding applications. In this post, we will explain how to use them, and look at more advanced concepts such as labelling.

When you see the colon (:), read it as “in.” Thus, the loop above reads as “for each element e in elements.” There is no performance penalty for using for-each loops, even for arrays: the code they ...