No Parameters
Description
For a lambda expression with no parameters, we still need the parentheses.
() -> { System.out.println("hi"); }Example
The following example shows how to use BooleanSupplier.
import java.util.function.BooleanSupplier;
//from www . ja v a 2 s . c om
public class Main {
public static void main(String[] args) {
BooleanSupplier bs = () -> true;
System.out.println(bs.getAsBoolean());
int x = 0, y= 1;
bs = () -> x > y;
System.out.println(bs.getAsBoolean());
}
}
The code above generates the following result.
