what is the use of return key in java

Answer 1

In simple words
return keyword simple returns a value from a method.
retutn values ​​can be of many types.
for example
int
float
double
byte
char
String
Object
arrays
ListOfObjects like ArrayList, LinkedList.

Answer 2

Return is a reserved keyword in Java i.e, we can’t use it as an identifier. It is used to exit from a method, with or without a value.

Tons of examples here: https://www.geeksforgeeks.org/return-keyword-java/

Answer 3

Say you call a method from main add(5,10); the add() method will take these arguments and add them together and "return" a value back to the calling method.

int x = add(5,10); once this method is called adds the numbers together and "returns" a value it will look like this.

int x = 15;

Answer 4

The return key takes you to a new line when editing code 😀

Answer 5

it send result value of method to method which was calling it

public class Program {
public static void main(String[] args) {
System.out.println("sum(10,5) returns "+sum(10,5) );
}
static int sum(int a, int b) {
return a + b;
}
}