The goal of a lambda expression in Java is to implement a single method. All Java methods have an argument list and a body, so it should come as no surprise that these two elements are an important ...

For more on that, check out our guide to Android development for beginners. For the purposes of this Java tutorial, it may be easier to write your code directly into a Java compiler app.

The most important rule of Java syntax: lines end with a semicolon. This punctuation tells Java (and you) that the line of code is over and isn’t intended to run on to the next line.

Why Is Java Important?. Java is one of the most popular programming languages used to create Web applications and platforms. It was designed for flexibility, allowing developers to write code that ...