Use of the return value method with a parameter in Java

If a method contains both a parameter and a return value, it is called a method with a parameter return value.

Cases:

Implement function: Sort and output test scores, return the number of results

Implementation ideas:

1. Define a method that contains integer array parameters to pass in the score array

2. Use the Arrays.sort () method in the method body to sort the score array, then use the Arrays.tostring () method to convert the array to a string and output, and finally return the number of elements in the array using return.

3. When calling a method, you need to create the object before calling it. When called, the array of scores is passed in, and the return value of the method is obtained, saved in the variable, and the number of results is finally output.

Use of the return value method with a parameter in Java