Java requires that a method declare the data type of the value that it returns . If a method does not return a value, it must be declared to return void . Methods can return either values of primitive data types or of reference data types.
Read moreWhat are the methods in Java?
A method is a block of code which only runs when it is called . You can pass data, known as parameters, into a method. Methods are used to perform certain actions, and they are also known as functions.
Read moreWhat is a Java main method?
A main() method in java is an entry point to start the execution of a program . Every Java application has at least one class and at least one main method. Normally, an application consists of many classes and only one of the class needs to have a main method.
Read moreWhat is Java method class?
Method class provides information about, and access to, a single method on a class or interface . The reflected method may be a class method or an instance method (including an abstract method).
Read moreWhat is inheritance in Java?
Inheritance is one of the key features of OOP that allows us to create a new class from an existing class . The new class that is created is known as subclass (child or derived class) and the existing class from where the child class is derived is known as superclass (parent or base class).
Read moreWhat is has a relationship in Java?
In Java, a Has-A relationship essentially implies that an example of one class has a reference to an occasion of another class or another occurrence of a similar class . For instance, a vehicle has a motor, a canine has a tail, etc.
Read moreHow do you create a method in Java?
The dot ( . ) is used to access the object’s attributes and methods. To call a method in Java, write the method name followed by a set of parentheses (), followed by a semicolon ( ; ) . A class must have a matching filename ( Main and Main. java).
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