Methods in java | Java Methods | Java 💯%Full Course | Java tutorial for beginners

In this tutorial we are going to learn about methods in java. methods in java are very important. Methods in java are the core of oop.Methods in java are use to module the code. Methods in Java is used to make java code reusable. we can write methods in java once and can reuse it every where in our code. So methods in java make code simple and easy to implement and use it every where.

Methods in Java a method is a way to perform some task. Similarly, the method in Java is a collection of instructions that performs a specific task. It provides the reusability of code. We can also easily modify code using methods. In this section, we will learn what is a method in Java, types of methods, method declaration, and how to call a method in Java. #Methods #Java #MethodsInJava #JavaMethods #Method #Javatutorial #javabeginnerstutorial

What is a method in Java?

A method is a block of code or collection of statements or a set of code grouped together to perform a certain task or operation. It is used to achieve the reusability of code. We write a method once and use it many times. We do not require to write code again and again. It also provides the easy modification and readability of code, just by adding or removing a chunk of code. The method is executed only when we call or invoke it.

Methods in java | Java Methods | Java 💯%Full Course | Java tutorial for beginners Methods in java | Java Methods | Java 💯%Full Course | Java tutorial for beginners Methods in java | Java Methods | Java 💯%Full Course | Java tutorial for beginners Methods in java | Java Methods | Java 💯%Full Course | Java tutorial for beginners

Method Declaration The method declaration provides information about method attributes, such as visibility, return-type, name, and arguments. It has six components that are known as method header, as we have shown in the following figure. Method Signature: Every method has a method signature. It is a part of the method declaration. It includes the method name and parameter list. Access Specifier: Access specifier or modifier is the access type of the method. It specifies the visibility of the method. Java provides four types of access specifier: Public: The method is accessible by all classes when we use public specifier in our application. Private: When we use a private access specifier, the method is accessible only in the classes in which it is defined. Protected: When we use protected access specifier, the method is accessible within the same package or subclasses in a different package. Default: When we do not use any access specifier in the method declaration, Java uses default access specifier by default. It is visible only from the same package only.

Return Type: Return type is a data type that the method returns. It may have a primitive data type, object, collection, void, etc. If the method does not return anything, we use void keyword.

Method Name: It is a unique name that is used to define the name of a method. It must be corresponding to the functionality of the method. Suppose, if we are creating a method for subtraction of two numbers, the method name must be subtraction(). A method is invoked by its name.

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