Module 6: Loops

Question 1

for loop

Answer 1

A typical looping construct designed to make it easy to repeat a section of code using a counter variable. The for loop combines the creation of a variable, a Boolean looping condition, and an update to the variable (increment or decrement) in one statement.

Question 2

while loop

Answer 2

programming construct used to repeat a set of commands (loop) as long as (while) a boolean condition is true. Will check if the condition is true before entering the body.

Question 3

do-while loop

Answer 3

repeatedly executes a block of statements until a specified Boolean expression evaluates to false. Will always execute the code at least once before checking if the condition is true.

Question 4

enhanced for loop (for-each loop)

Answer 4

a for loop that iterates through each element in an array or Collection

Question 5

for loop syntax

Answer 5

for ( int - variable you want to create for loop; condition; updates variable being used in condition ++ or - -)
{
statement(s);
}

Question 6

while loop syntax

Answer 6

while (condition)
{
statement(s);
}

Question 7

enhanced for loop (for-each loop) syntax

Answer 7

for(data_type variable : array | collection){
//body of for-each loop
}

Question 8

do while loop syntax

Answer 8

do
{
statement(s);
} while (condition);

Question 9

What is needed for a nested loop?

Answer 9

You can use one statement inside another statement.

for ( initialization; condition; increment) {
for ( initialization; condition; increment) {
// statement of inside loop
}
// statement of outside loop
}