What are Java assertions? Before JDK 1.4, developers often used comments to document assumptions about program correctness. But comments don’t actually help us test and debug our assumptions ...

Iterative logic in our first Java program. We would like to keep asking the user to guess the magic number until they get it right. That means we must enclose our conditional logic within the scope of ...

The JDK is the development platform for building Java applications. Learn about different JDK versions, then install a JDK in your development environment and use it to compile a Java program.

Here's how to install JDK 13 on Ubuntu and set the all-important JAVA_HOME variable. Step 2: Write code that uses a Java preview feature. The Java preview feature I'd like to test is the JDK 13 text ...

Its survey of 2,000 developers for its JVM 2020 report finds that while 87% of JVM developers still use Oracle Java, the population that use Kotlin has jumped about 130%, from a 2.4% share last ...

This week's Java roundup for May 26th, 2025, features news highlighting: the twelfth milestone release of GlassFish 8.0; four JEPs targeted for JDK 25; introducing the GPULlama3.java project powered b ...

The JDK also contains the developer tools you need to write Java code (as the name suggests!). The good news is that developers need only concern themselves with downloading the JDK – as this ...