What does the following code do? for (int i = 0; i < 50; i++) { System.out.println(i); }

Print out the numbers from 0 - 49

Print out the numbers from 1 - 50

The structure of a for loop is for (statement 1, statement 2, statement 3) { } The purpose of Statement 1 is to:

Define a variable to be used as a counter - usually an integer, but can be a double

Define a variable to be used as a counter - can only be an integer

Check the value of the counter in the loop to see if the loop must end

Increase the value of the counter in the loop

The structure of a for loop is for (statement 1, statement 2, statement 3) { } The purpose of Statement 2 is to:

Check the value of the counter in the loop to see if the loop must end

Define a variable to be used as a counter - usually an integer, but can be a double

Define a variable to be used as a counter - can only be an integer

Increase the value of the counter in the loop

The structure of a for loop is for (statement 1, statement 2, statement 3) { } The purpose of Statement 3 is to:

Increase the value of the counter in the loop

Define a variable to be used as a counter - usually an integer, but can be a double

Define a variable to be used as a counter - can only be an integer

Check the value of the counter in the loop to see if the loop must end

Select all valid reasons for coding with loops

They make it possible to deal with unknown amounts of data

What must you always do before you start a while loop?

make sure that the variable(s) used in the condition have been defined and have a value

make sure that the variable(s) used in the condition have not been defined and do not have a value

make sure that you include the appropriate library code

What is wrong with the code below? int i = 0; While (i < 5) { System.out.println(i); i++; }

The While is incorrectly capitalised

Nothing - is will work perfectly

The System is incorrectly capitalised

There are too many curly brackets

What is wrong with the code below? (Choose ALL valid problems). int i = 0; while (i < 5) { System.out.println(i); } i++;

The counter value is never increased

The closing curly bracket is in the wrong place

The while should start with a capital

A good way to stop a for loop early is

to change the value of the counter in your code

A good way to skip the rest of the code in a for loop and jump on to the next repeat of the loop is

to change the value of the counter in your code

The difference between a while loop and a do while loop is

it is possible for a while loop to not run at all

It is possible for a do while loop to not run at all

nothing, they both work the same way

When working with arrays the counter of a for loop is typically used

as an index for the array to access and work with each element of the array sequentially

as an index for the array to access and work with each element of the array randomly

as an index for the loop to access and work with each element of the array sequentially

as an index for the loop to access and work with each element of the array randomly

Which code segment generates all the Even numbers from 50 and 100 (include both 50 and 100)?

for (int no = 50; no <= 100; no += 2) { System.out.println (no); }

for {int no = 50; no < 100; no += 2);{ System.out.println (no); }

for (no = 50; no <= 100; no ++ 2);{ System.out.println (no); }

for (int no = 50; no <= 100; no += 2);{ system.out.println (no); }

What will this code display? int i = 0; do { System.out.print (i + ", "); } while (i < 5);

0, 0, 0, 0, 0, 0, 0, 0, (repeat forever)

What will this code display? int i = 0; do { System.out.print (i + ", "); i ++; } while (i < 5);

0, 0, 0, 0, 0, 0, 0, 0, (repeat forever)

What will this code display? int i = 10; do { System.out.print (i + ", "); i ++; } while (i < 5);

0, 0, 0, 0, 0, 0, 0, 0, (repeat forever)

What will this code display? int i = 0; while (i < 5) { System.out.print (i + ", "); i ++; } ;

0, 0, 0, 0, 0, 0, 0, 0, (repeat forever)

Java Loops

Computers

10th - 12th Grade

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MULTIPLE SELECT QUESTION

30 sec • 1 pt

A loop is a way to (choose ALL the correct options)

make life simpler for the programmer

make life simpler for the user

hang up the computer infinitely

efficiently repeat instructions

efficiently work with data structures such as files and arrays

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you know exactly how many times the loop needs to repeat you should use a

repeat loop

for loop

while loop

try case loop

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum number of times that ANY for loop will repeat?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum number of times that ANY while loop will repeat?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The best loop to use when working with an array is

for

for-each

while

do while

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A for-each loop is initialised with

a counter, a comparison and an increment value

an array

a set of conditions

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A while loop is initialised with

a counter, a comparison and an increment value

an array

a set of conditions

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Java Loops

A loop is a way to (choose ALL the correct options)

When you know exactly how many times the loop needs to repeat you should use a

What is the minimum number of times that ANY for loop will repeat?

What is the minimum number of times that ANY while loop will repeat?

The best loop to use when working with an array is

A for-each loop is initialised with

A while loop is initialised with

A for loop is initialised with

What does the following code do?

for (int i = 0; i < 50; i++) {
System.out.println(i);
}

How many times will this loop repeat?

for (int i = 0; i <= 10; i = i + 2) {
System.out.println(i);
}

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

Java Loops

A loop is a way to (choose ALL the correct options)

When you know exactly how many times the loop needs to repeat you should use a

What is the minimum number of times that ANY for loop will repeat?

What is the minimum number of times that ANY while loop will repeat?

The best loop to use when working with an array is

A for-each loop is initialised with

A while loop is initialised with

A for loop is initialised with

What does the following code do?for (int i = 0; i < 50; i++) { System.out.println(i);}

How many times will this loop repeat?for (int i = 0; i <= 10; i = i + 2) { System.out.println(i);}

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

What does the following code do?

for (int i = 0; i < 50; i++) {
System.out.println(i);
}

How many times will this loop repeat?

for (int i = 0; i <= 10; i = i + 2) {
System.out.println(i);
}