How to recognize and use array and list data structures in your Java programs. Which algorithms work best with different types of array and list data structures. Why some algorithms will work ...

It covers all important Java concepts such as variables, methods, control statements, loops, arrays and strings, object-oriented programming, file handling, database, multithreading and collections.

How to Assign Random Numbers to an Array in Java. Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code.