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Please take a look at the todo part and help with the following code! Thank you so much! package fp; import java.math.BigDecimal; import java.util.ArrayList; import

Please take a look at the todo part and help with the following code! Thank you so much!
package fp;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Map;
import java.util.function.
*
;
import java.util.stream.Collectors;
import java.util.List;
class ExerciseNotCompletedException extends RuntimeException
{
public ExerciseNotCompletedException
(
)
{
super
(
"
Exercise is not completed yet"
)
;
}
}
/
*
*
*
{
@link HW
}
is an exercise class. Each method returns a functional interface and it should be implemented
*
using either lambda or a method reference. Every method that is not implemented yet throws
*
{
@link ExerciseNotCompletedException
}
.
*
*
TODO: remove exception and implement each method of this class using lambda or method reference
*
/**
* Returns an {@link IntUnaryOperator} that receives an int as a bound parameter, and returns a random int
*
* @return int operation
*/
public static IntUnaryOperator boundedRandomIntSupplier(){
throw new ExerciseNotCompletedException();
}
/**
* Returns {@link IntUnaryOperator} that calculates an integer square
*
* @return square operation
*/
public static IntUnaryOperator intSquareOperation(){
throw new ExerciseNotCompletedException();
}
/**
* Returns a {@link LongBinaryOperator} sum operation.
*
* @return binary sum operation
*/
public static LongBinaryOperator longSumOperation(){
throw new ExerciseNotCompletedException();
}
/**
* Returns a {@link ToIntFunction} that converts string to integer.
*
* @return string to int converter
*/
public static ToIntFunction stringToIntConverter(){
throw new ExerciseNotCompletedException();
}
/**
* Receives int parameter n, and returns a {@link Supplier} that supplies {@link IntUnaryOperator}
* that is a function f(x)= n * x
*
* @param n a multiplier
* @return a function supplier
*/
public static Supplier nMultiplyFunctionSupplier(int n){
throw new ExerciseNotCompletedException();
}
/**
* Returns a {@link UnaryOperator} that accepts str to str function and returns the same function composed with trim
*
* @return function that composes functions with trim() function
*/
public static UnaryOperator> composeWithTrimFunction(){
throw new ExerciseNotCompletedException();
}
/**
/**
* Returns a {@link BiFunction} that has two parameters. First is {@link IntUnaryOperator} which is some integer function.
* Second is {@link IntPredicate} which is some integer condition. And the third is {@link IntUnaryOperator} which is
* a new composed function that uses provided predicate (second parameter of binary function) to verify its input
* parameter. If predicate returns {@code true} it applies a provided integer function
*(first parameter of binary function) and returns a result value, otherwise it returns an element itself.
*
* @return a binary function that receiver predicate and function and compose them to create a new function
*/
public static BiFunction functionToConditionalFunction(){
throw new ExerciseNotCompletedException();
}

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