CS A Unit 4 Practice

Which kind of loop would be used?

I need a program that will keep letting me add a monthly payment for 12 months.

• FOR Loop

• WHILE Loop

Which kind of loop would be used?

I need a guessing game program that will let me keep guessing until I get the right answer.

• FOR Loop

• WHILE Loop

Which kind of loop would be used?

I need a program that will keep letting me add money to a piggy bank until I get to $100.

• FOR Loop

• WHILE Loop

What is the symbol used for the INCREMENT operator ?

• +

• ++

• =

• ==

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

Which is NOT a way to add one to count?

• count ++;

• count = count + 1;

• count +=1;

• count +1;

What will happen if an infinite while loop runs?

• the program will crash

• the computer will crash

• the loop will just keep running

• an error message will be displayed

Which of the following will decrease the value of x?

• x--;

• x-1;

• x=x;

• x=-x;

Which of these is the correct syntax for a loop?

• for(int i = 0; i<10; 1++){}

• fore(integer i = 0; i>10; i++){}

• for(int i = 0; i<10){}

• for(int i){}

Which of the following loops prints "Welcome to Java" 10 times?

• A:
  for (int count = 1; count <= 10; count++) {
   System.out.println("Welcome to Java");
• for (int count = 2; count < 10; count++) {
   System.out.println("Welcome to Java");
  }
• for (int count = 1; count < 10; count++) {
   System.out.println("Welcome to Java");
  }
• for (int count = 0; count <= 10; count++) {
   System.out.println("Welcome to Java");
  }