Question 1

Given the code:

Which code fragment, when inserted at line n1, enables the code to print sum is 30?

Options :

A : int sum(int a, b) {

B : int sum(int a, int b) {

C : int sum(int, int) {

D : int sum(int[] a, b) {

Answer: D

Question 2

Identify two features of Java.

Options :

A : architecture dependent

B : platform independent

C : single threaded

D : robust

Answer: B,D

Question 3

Which statement is true about a Java method?

Options :

A : It must be declared with an access modifier.

B : It cannot be defined within another method.

C : It must accept a parameter and return a value.

D : It cannot be defined as static final.

Answer: B

Question 4

Given:

What is the result?

Options :

A : Compilation fails. To make it compile, replace line n1 with var1 = 0;

B : Compilation fails. To make it compile, replace line n2 with var2 = 0;

C : 0

D : Nothing is printed.

Answer: B

Question 5

You have a microprocessor board, such as Raspberry PI, wired to control a drone.

Which edition of Java is geared towards use of simple, closed systems with constrained memory

requirements, such as a microprocessor board?

Options :

A : Java Micro Edition

B : Java Standard Edition with a Compact Profile

C : Java Enterprise Edition

D : Java SE Embedded

Answer: D

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