How to use return in java?

Usage of return in java: 1. Return the value of the specified type by the method, with syntax such as "private String gets(){return s;}"; 2. End the execution of the method, with syntax such as "if ( s = = null ){return ;}".

#There are many commands in Java that have special meanings and usage. Today I will take you to learn about the use of the return command in Java.

1: The return statement is used in a method and has two functions:

One is to return the value of the type specified by the method (this value is always determined),

One Is to end the execution of the method (just a return statement).

Two: Example 1 -- Return a String

private String gets(){
        String s = "qw789" ;        
        return s ;
    }

Example 2 -- End the program

private void gets(String s ){

        if ( s == null ){
            return ;
        }
        System.out.println( "haha" ) ;
    }

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