Many programming languages allow passing objects by reference or by value. In Java, we can only pass object parameters by value. This imposes limits and also raises questions.

In the change() method, we are passing it mainExample. Since Java is pass-by-value only, we will pass it a copy of mainExample. Well remember that mainExample is a reference type. This means, in ...

Understanding advanced generics and type erasure in Java enhances your ability to write type-safe and efficient Java code. Let’s recap the most important points of this article. Type erasure ...

It means that on newer JDKs, a wrapper class will be created automatically when a primitive type is used anywhere a reference type is expected. As such, on post JDK 1.5 versions of the JVM, the ...

Before we jump into a Java Supplier interface example, it’s a good idea to first reference the JavaDoc in order to see exactly how the API designers describe how the component should be used: Supplier ...