CodeHS Unit 2: Lessons 9-10

What is ouptut by the code? Pretend it says System.out.println

• 2

• 3

• 4

• 5

• 6

• 104

• 54

• 44

• 35

• 65

What is the output of the following code?
int x = 0;
while (x < 4) {
 x = x + 1;
}
System.out.println("x is " + x);

• 0
• 1
• 3
• 4

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 does the code output?

• 0

  1

  2

  3

• 1

  2

  3

• 0

  1

  2

What does the code output?

• hi

  hi

• hi

• hi

  hi

  hi

• hi

  hi

  hi

  hi

What does the code output?

• 3

  4

  5

• 1

  2

  3

• 3

  4

  5

  6

• 3

  4

  4

What do we use a For loop for?

• To repeat a specified number of operations.

• To repeat a unspecified number of operations.

• All answers are correct

Which is used to check for equality between Data types?

• =

• ==

• %

• ||

A variable;

• Expresses a true false statement

• stores a string, number, or boolean, and gives it a specific, case-sensitive name

• takes in an input, does something with it, and then returns an output.

• Runs a boolean (true/false) statement based on data entered