Use Java assertions to test your assumptions about program correctness and check them in your code. ... that can return a value—you cannot invoke a method with a void return type.

You can quickly and easily correct this Java method modifier issue based on how soon you can refactor. Then, it just comes down to which method you want to use. Let's explore two options on how to fix ...

In Java, we use the reserved word super to ensure the child class can still access its parent’s overridden method: ... How to use method references in Java. May 22, 2025 17 mins. how-to.