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Learn how to use the "extends" and "super" keywords to allow one class to inherit all of another class's methods and fields.

Arrays are reference variables, which means simple assignment doesn't make a copy of the values.

Learn about conditional statements.

Handling a two-dimensional arrays that represent a matrix of rows and columns.

The switch statement lets you execute statements based on the value of a variable.

Just like any other skill, problem solving takes practice to apply and master. Many developers think that becoming a better ...