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Identity method of the LongUnaryOperator interface in Java
abhilash
identity is a static method of the LongUnaryOperator interface that returns a LongUnaryOperator that always returns the input argument.
Syntax
static LongUnaryOperator identity()
Parameters
This method has no parameters.
Return value
The method returns a unary operator that always returns its input argument.
Code
import java.util.function.LongUnaryOperator;
public class Main {
public static void main(String[] args){
LongUnaryOperator identity = LongUnaryOperator.identity();
long arg = 234;
System.out.printf("(%s == identity.applyAsLong(%s)) = %s", arg, arg, (arg == identity.applyAsLong(arg)));
}
}Implementation of the "identity" method
Explanation
-
Line 1: We import the
LongUnaryOperatorinterface. -
Line 6: We define an identity function using the
identity()method. -
Line 7: We define a
longcalledarg. -
Line 8: We check whether
argand the value returned are equal. We use theapplyAsLong()method by passingargas an argument.
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identity
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abhilash
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