Question

What will be the value of x after the following code is executed?

int x = 5;

while (x <50)

{

x += 5;

}

a) 50

b) 45

c) Infiniteloop

d) 55

Given the following code segment: Scanner in = new Scanner (System.in);

boolean done = false;

while (!done)

{

int input = in.next();

if(input.equalsIgnoreCase("q"))

done = false;

}

What will cause the loop to terminate?

a) When the user enters -1

b) The loop will never terminate

c) When the user enters q or Q

d) When the user enters done

How many times will this for loop execute?

for (int i = 2; i < 10; i +=3)

{

...

}

a) 6

b) 3

c) 5

d) 4

A package is any program with two or more classes: True or False

Answer 1

Que1: What will be the value of x after the following code is executed?

int x = 5;

while (x <50)

{

x += 5;

}

a) 50

b) 45

c) Infiniteloo

Answer -: Option A - 50

Question 2 : Given the following code segment: Scanner in = new Scanner (System.in);

boolean done = false;

while (!done)

{

int input = in.next();

if(input.equalsIgnoreCase("q"))

done = false;

}

What will cause the loop to terminate?

a) When the user enters -1

b) The loop will never terminate

c) When the user enters q or Q

d) When the user enters done

Answer : Option B - The loop will never terminate

Question 3 : How many times will this for loop execute?

for (int i = 2; i < 10; i +=3)

{

...

}

a) 6

b) 3

c) 5

d) 4

Answer : Option B - 3 times

Question 4: A package is any program with two or more classes:

True or False

Answer : True

Package is a collection of related classes that we are using in our programming by reusability of the oops concepts.