What does method in java mean?

Methods are code blocks in Java that contain operation instructions; their function is to decompose tasks into reusable modules to improve the readability, maintainability and reusability of the code. A method consists of modifiers, return type, method name, parameter list and method body. The syntax for calling a method is: object name. method name (parameter list). Method overloading allows methods with the same name but different parameters; method overriding allows subclasses to customize the method behavior of the parent class.

Method in Java

Method is an important concept in Java programming. It is a paragraph containing a series of A code block of instructions that describe an operation to be performed.

The role of the method

The main function of the method is to decompose complex tasks into smaller, reusable modules, thereby improving the readability and reusability of the code. Maintainability and reusability.

The structure of the method

A Java method consists of the following parts:

• Modifier:specifies the method Visibility and access.
• Return type: Specify the value type returned after the method is executed. If the method does not return any value, the return type should be void.
• Method name: A name that uniquely identifies the method.
• Parameter list: Comma-separated parameter list specifying the data to be passed to the method.
• Method body: Contains code statements that perform operations.

Method Calling

To call a method, you need to use the following syntax:

<code class="java">对象名.方法名(参数列表)；</code>

For example:

<code class="java">Customer customer = new Customer("John", "Doe");
customer.setName("Jane", "Smith");</code>

Method overloading

There can be multiple methods with the same name but different parameters in the same class. This is called method overloading, which allows the same method to be called with different parameters to perform different operations.

Method overriding

In a subclass, you can define a method with the same name and parameter list as the parent class. This is called method overriding, which allows subclasses to customize the method behavior of the parent class.

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