PRO 192 FULL FINAL EXAM WITH ACTUAL ANSWERS 2025/2026 UPDATE.

PRO 192 FULL FINAL EXAM WITH
ACTUAL ANSWERS 2025/2026
UPDATE.
A, B, D - Answer Which of the following are valid declarations? Assume java.util.* is
imported. (choose 3)

A. Vector<Map> v;

B. Set<String> s;

C. Map<String> m;

D. Map<String, String> m;



A - Answer You can determine all the keys in a Map in which of the following ways?

A⦁ By getting a Set object from the Map and iterating through it.

B⦁ By iterating through the Iterator of the Map.

C⦁ By enumerating through the Enumeration of the Map.

D⦁ By getting a List from the Map and enumerating through the List.

E⦁ You cannot determine the keys in a Map



D - Answer What keyword is used to prevent an object from being serialized?

A ⦁ private

B ⦁ volatile

C ⦁ protected

D ⦁ transient

E ⦁ None of the above



A - Answer An abstract class can contain methods with declared bodies.

A ⦁ True

B ⦁ False



E - Answer Select the order of access modifiers from least restrictive to most restrictive.

A ⦁ public, private, protected, default

B ⦁ default, protected, private, public

C ⦁ public, default, protected, private

D ⦁ default, public, protected, private

,E ⦁ public, protected, default, private



C - Answer Which access modifier allows you to access method calls in libraries not created
in Java?

A ⦁ public

B ⦁ static

C ⦁ native

D ⦁ transient

E ⦁ volatile



D - Answer Which of the following statements are true? (Select all that apply.)

A ⦁ A final object's data cannot be changed.

B ⦁ A final class can be subclassed.

C ⦁ A final method cannot be overloaded.

D ⦁ A final object cannot be reassigned a new address in memory.

E ⦁ None of the above.



A - Answer The keyword extends refers to what type of relationship?

A ⦁ "is a"

B ⦁ "has a"

C ⦁ "was a"

D ⦁ "will be a"

E ⦁ None of the above



B - Answer Which of the following keywords is used to invoke a method in the parent class?

A ⦁ this

B ⦁ super

C ⦁ final

D ⦁ static



C - Answer Given the following code, what will be the outcome?

public class Funcs extends java.lang.Math { public int add(int x, int y) {

return x + y;

}

,public int sub(int x, int y) { return x - y;

}

public static void main(String [] a) { Funcs f = new Funcs(); System.out.println("" + f.add(1, 2));

}

}



A ⦁ The code compiles but does not output anything.

B ⦁ "3" is printed out to the console.

C ⦁ The code does not compile.

D ⦁ None of the above.



D - Answer Given the following code, what is the expected outcome?

public class Test {

public static void main(String [] a) { int [] b = [1,2,3,4,5,6,7,8,9,0]; System.out.println("a[2]=" +
a[2]);

}

}



A ⦁ The code compiles but does not output anything.

B ⦁ "a[2]=3" is printed out to the console.

C ⦁ "a[2]=2" is printed out to the console.

D ⦁ The code does not compile.

E ⦁ None of the above.



D - Answer What is the value of x after the following operation is performed?

x = 23 % 4;



A. 23

B. 4

C. 5.3

D. 3

E. 5



C - Answer Given the following code, what keyword must be used at line 4 in order to stop
execution of the

, for loop?

boolean b = true;

for (;;) {

if (b) {

<insert code>

}

// do something

}



A ⦁ stop

B ⦁ continue

C ⦁ break

D ⦁ None of the above



B - Answer What method call is used to tell a thread that it has the opportunity to run?

A ⦁ wait()

B ⦁ notify()

C ⦁ start()

D ⦁ run()



A - Answer Given the following code, which of the results that follow would you expect?

1. package mail; 2.

interface Box {

protected void open();

void close();

public void empty();

}



A ⦁ The code will not compile because of line 4.

B ⦁ The code will not compile because of line 5.

C ⦁ The code will not compile because of line 6.

D ⦁ The code will compile



C - Answer Assertions are used to enforce all but which of the following?