what is method in java

Definition of method:

A method is a collection of code blocks designed to achieve a specific function.

The grammatical functions of the method mainly include the following two:

1. Structured code

Organize the code according to functions so that the structure of the code can be compared Clear, easy to read and modify, which means the program is highly maintainable.

2. Reduce code duplication

A fixed function may be used multiple times in the program. When using it, you only need to call the written method instead of repeatedly writing the corresponding function code. .

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You need to pay attention to the following two points when writing the method:

1. Rigorous logic

method implements a complete function, so when writing, you must consider various possible situations and handle each situation appropriately.

2. Strong versatility (reusable)

The method implements a function. In actual implementation, the method can be made to have a certain degree of versatility as needed, unless necessary. Otherwise don't write dedicated methods.

In the Java language, proper usage will make the program more elegant and easier to read and use.

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