Java inheritance constructor

A subclass needs a constructor if the superclass does not have a default constructor (or has one that is not accessible to the subclass). If the subclass has no constructor at all, the compiler will automatically create a public constructor that simply calls through to the default constructor of the superclass.

A subclass needs a constructor if the superclass does not have a default constructor (or has one that is not accessible to the subclass). If the subclass has no constructor at all, the compiler will automatically create a public constructor that simply calls through to the default constructor of the superclass.

A subclass needs a constructor if the superclass does not have a default constructor (or has one that is not accessible to the subclass). If the subclass has no constructor at all, the compiler will automatically create a public constructor that simply calls through to the default constructor of the superclass.

The super keyword is used to call the constructor of its parent class to access the parent’s properties and methods . Tip: To understand the “inheritance” concept (parent and child classes) better, read our JavaScript Classes Tutorial.

The super keyword is used to call the constructor of its parent class to access the parent’s properties and methods . Tip: To understand the “inheritance” concept (parent and child classes) better, read our JavaScript Classes Tutorial.

The super keyword is used to call the constructor of its parent class to access the parent’s properties and methods . Tip: To understand the “inheritance” concept (parent and child classes) better, read our JavaScript Classes Tutorial.

If we call “super()” without any superclass Actually, nothing will be displayed . Since the class named Object is the superclass of all classes in Java. If you call “super()” without any superclass, Internally, the default constructor of the Object class will be invoked (which displays nothing).2 Tem 2019