Intro to Java Loops

Front

Why are loops used in programming?

Back

To run blocks of code repeatedly.

Front

Each time through a loop is called a(n) ______________.

Back

iteration

Front

What is the final value of x?
int x = 0;
while (x < 5)
x++;

Back

5

Front

What is the final value of x? int x = 4; while (x <= 5) x++;

Back

6

Front

What is the final value of x?
int x = 3;
while (x > 5)
x++;

Back

3

Front

What is the final value of x?
int x = 0;
for(int i = 1; i < 8; i += 3)
x += i;

Back

12

Front

What is the final value of x?
int x = 0;
for(int i = 5; i > 0; i --)
x ++;

Back

5

Front

What is the output of the following code?
for(int i = 3; i < 20; i +=4)
System.out.print(i + " ");

Back

3 7 11 15 19

Front

What is the final value of x?
int x = 3;
for(int i = 4; i > 3; i += 2)
x++;

Back

infinite loop

Front

What is the output of the following code?
int x = 7;
while(x <= 23) {
System.out.print(x + " ");
x+=4; }
Options: 7 11 15 19, 7 11 15 19 23, 23, 7 11 15 19 23 27, 27

Back

7 11 15 19 23