OOPs Inside Java | Foss Guru

📄️ Java Constructor

Java constructors are special method-like constructs that allow fully initializing the object state before other classes can use it.

Java provides four access modifiers to set access levels for fields, methods and constructors i.e. public, private, protected, and default.

Static keyword in java can be applied on variables, methods, blocks, import and inner classes. Learn the effect of using static keyword in detail.

Difference between final, finally and finalize in Java

Java instance initializers are the code blocks containing the instructions to run every time a new class instance is created in runtime.

Java instanceof (type comparison operator) is used to test if a specified variable is an instance of the specified class or interface

Declaring similar static methods in parent and child classes is called method hiding. For non-static methods, it is method overriding.