What you’ll learn in this Java tutorial. How to initialize a Java class; ... (Math is part of Java’s standard class library. I’ll discuss this class and these methods in a future article.) ...

For example, suppose package physics contains a Math class that’s identical to java.lang‘s Math class in that it implements the same PI constant and trigonometric methods.

Single responsibility example in Java. Here's a simple example of a Java class that correctly observes the single responsibility principle. Imagine a number guessing game where each time it is played ...