CS Awesome Unit 4 Review

What is the output?

int a = 1, b = 2;

System.out.println(++a+”,”+b++);

• 1,2

• 2,2

• 2,3

• 3,3

What will the following program segment display?

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

System.out.print(a+””);

• 2 5 8

• 2 5

• 2 5 8 11

• 2

What is each repetition of a loop known as?

• cycle

• revlolution

• orbit

• iteration

This is a variable that controls the number of iterations performed by a loop.

• loop control variable

• accumulator

• iteration register variable

• repetition meter

This type of loop has no way of ending and repeats until the program is interrupted.

• a. indeterminate

• b. interminable

• c. infinite

• d. timeless

This expression executes at the end of each iteration of the for loop.

• a. initialization expression

• b. test expression

• c. update expression

• d. statement block

This expression is executed by the for loop only once, regardless of the number of iterations.

• a. initialization expression

• b. test expression

• c. update expression

• d. preincrement expression

How many times will the following code print "Welcome to Java"?
int count = 0;
while (count < 10) {
 System.out.println("Welcome to Java");
 count++;
}

• 8
• 9
• 10
• 0

What is the output of the following code?

int x = 0;

while (x < 4) {

x = x + 1;

}

System.out.println("x is " + x);

• x is 0

• x is 1

• x is 3

• x is 4

 Analyze the following code.
int count = 0;
while (count < 100) {
 // Point A
 System.out.println("Welcome to Java!");
 count++;
 // Point B
}
 // Point C

• count < 100 is always true at Point B 
•  count < 100 is always false at Point B
•  count < 100 is always true at Point A  and count < 100 is always false at Point C
•  count < 100 is always true at Point Coint C