Behind the scenes, when you write String::toUpperCase, Java binds each element of the stream (String object) to the toUpperCase() method.

The need to find the length of a Java String is a common programming requirement. Learn how to get the size of a Java String and avoid lengthy errors developers often encounter.

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

In Java, printf is recommended as a replacement for calls to the print or println methods. How do you format output with Java printf? To format text based output with the Java printf method, follow ...

Maximizing code reuse in your Java programs means writing code that is easy to read, understand, and maintain. Here are eight ways to get started.