abstract keyword is used to implement the abstraction in java. A method which doesn’t have method definition must be declared as abstract and the class containing it must be declared as abstract. You ...

Use Java's extends keyword to derive a child class from a parent class, ... Java provides the protected keyword for use in a method-overriding context. You can also use protected for fields.

Why is Java’s const keyword unimplemented? The const keyword is not implemented in Java because Java’s final keyword does a better job of expressing what it means to be a constant in an ...

Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.

When not to use var in Java. The var keyword cannot be used in place of every variable declaration in a Java program. Use of the var keyword is limited to a confined set of situations and scenarios.