Programming Concepts using Java Quiz 1: 15 March 2026 (January 2026 term)

Consider the following Java program.

What is the maximum number of activation records on the stack during the execution of the program?

1. A

   2

2. B

   3

3. C

   4

4. D

   5

Consider the Java code given below.

Choose the correct option regarding the given code.

1. A

   This code generates output:

   

2. B

   This code generates output:

   

3. C

   This code generates output:

   

4. D

   This code generates a compilation error because the method cannot be overridden

Consider the Java code given below.

Choose the correct option.

1. A

   The program generates output:

   

2. B

   generates compilation error because a variable of type cannot refer to an object of type .

3. C

   generates run time error because there is ambiguity in which method is being invoked.

4. D

   The program generates output:

   

Consider the Java code given below.

Choose the correct option to fill in place of and so that the output is:

1. A

   

2. B

   

3. C

   

4. D

   

Consider the Java code given below.

What will the output be?

1. A

   

2. B

   

3. C

   

4. D

   

Consider the Java code given below.

Identify the appropriate statements to fill in place of in order to correctly invoke method inside the while loop.

1. A

   —

2. B

   —

3. C

   —

4. D

   Method cannot be invoked from an outside class.

Consider the Java code given below.

Choose the correct option.

1. A

   This program generates compiler error at Reason: An interface reference cannot be passed as a constructor argument.

2. B

   This program generates the output:

   

3. C

   This program generates the output: followed by runtime error Reason: A method inside is invoking inside , whereas is invoking another method in .

   

4. D

   This program generates compiler error at Reason: A method inside is invoking a method defined in an interface.

Consider the Java code given below.

Choose the correct option.

1. A

   Compilation error at because private variable cannot be accessed without using an accessor method.

2. B

   The program generates the output:

   

3. C

   The program generates the output:

   

4. D

   The program generates the output:

   

Consider the following Java code.

Identify the lines which have errors.

1. A

   Line 7 and Line 11

2. B

   Line 4 and Line 5

3. C

   Line 15 and Line 20

4. D

   Line 1 and Line 2

Consider the Java code given below.

Identify the correct option to fill in place of , such that the output is:

1. A

   

2. B

   

3. C

   

4. D

   

Consider the Java code given below.

Choose the correct option.

1. A

   This code generates the output:

   

2. B

   This code generates the output:

   

3. C

   generates compilation error because a variable of type cannot refer to an object of type .

4. D

   generates runtime error because there is ambiguity in which method is being invoked.

Consider the Java code given below.

What will the output be?

1. A

   

2. B

   

3. C

   

4. D

   

Consider the code given below.

Choose the correct option to fill in place of so that the output is:

1. A

   

2. B

   

3. C

   

4. D

   

Consider the Java code given below.

Choose the correct option regarding the above code.

1. A

   generates compilation error because the method is not abstract.

2. B

   generates compilation error because class cannot implement two interfaces.

3. C

   generates compilation error because class is not declared as abstract.

4. D

   , and generate compilation errors because the methods , and are not abstract.

Consider the Java program below.

Identify the correct option(s) to fill in the blank at , such that the output is:

Select all that apply.

1. A

   —

2. B

   —

3. C

   

4. D

   —