Java expert please help me multiple choice questions. If question you are not su

Question

Java expert please help me multiple choice questions. If question you are not sure, please just don't answer. Thank you so much for your help.

the program has a compile error because.....

and

the program would work if you delete the method m2

Q3: I am thinking between "is always true" and "may be true or false"

I am no idea question 6. Please explain if you have an answer on question 6

I am thinking between:

coverage- determines how much of program has been tested
white box testing- testing that does not take program structure into account
boundary test- testing that examines the limit of correct input

black box testing- testing that take program structure into account

or

coverage- determines how much of program has been tested
white box testing- testing that take program structure into account
boundary test- testing that examines the limit of correct input

black box testing- testing that does not take program structure into account

What is the answer for question 19?

QUESTION 2 Analyze the following code: public dass Test public static void mainstrngo args) Test test new Test0; test set Action (0 system out print Action 1! public void set Action(T )I tm10; interface T public void m10. public void m20 question 2 More than 1 correct answer he program displays Action 1. The program has a compile error because T is not a functional interface. T contains multiple methods. The program would work if you delete the method m2 from the interface T The program has a runtime error because T is not a functional interface. T contains multiple methods

Explanation / Answer

Question 2:

The program displays Action 1.

Question 3:

may be true or false.

Question 6:

True

Question 15:

A. Coverage- determines how much of program has been tested
B. White box testing- testing that take program structure into account
C. Boundary test- testing that examines the limit of correct input
D. Black box testing- testing that does not take program structure into account

Question 19:

import static org.junit.Assert.assertEquals;
import org.junit.After;
import org.junit.Test;
import org.junit.runner.RunWith;
import com.anarsoft.vmlens.concurrent.junit.ConcurrentTestRunner;

@RunWith(ConcurrentTestRunner.class)
public class TestCounter {
  
   private Counter c= new Counter(3);
  
   @Test
   public void testIncrement()
   {
       c.increment();
   }
  
   @After
   public void testCurrentVal()
   {
       assertEquals(6 , c.getCurrent());
   }

}

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