This example will show you four different ways to ... especially when you start advanced functional programming with the Java Streams API. Powerful methods such as map, reduce and flatMap all take a ...

package com.example.helloworld.static ... Otherwise, the main method is required. Here are three different ways to code a 'Hello World' program in Java. Long-term support releases are rare birds. If ...

See also: NullPointerException in Java – Explaining the Billion Dollar Mistake A good example ... cause the program to crash, but that’s our prerogative! In other cases, a method will force ...