Branching

Question 1

if statements,

Answer 1

The most basic branching structure is an if structure. This instructs the computer to only execute a set of
instructions if a certain condition is true.

if (condition)
{
…instructions…
}

Question 2

if-else statements,

Answer 2

Branching structures can become more complex by adding an else structure. This follows the if structure
and instructs the computer to execute a set of instructions if the condition is not true. Again, it must
include opening and closing braces {}.

if (condition)
{
…instructions…
}
else
{
…instructions…
}

Question 3

if-else if-else statements,

Answer 3

Branching structures can also include additional conditions as else if sections. This follows the if structure
but precedes the else structure, and instructs the computer to execute a set of instructions if these
additional conditions are true. Each additional condition must include opening and closing braces {}.

if (condition)
{
…instructions…
}
else if (condition)
{
…instructions…
}
else
{
…instructions…
}

Question 4

nested statements

Answer 4

A nested if statement is an if statement placed inside another if statement.

if (condition)
{
if (condition)
{
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}
else eiawgurgauigbaiwbrgj
}