STATEMENTS
if
if-else
The if-else statement is used to make decisions.
The syntax is:
if (expr)
stmt-1;
[ else
stmt-2;]
The expression is evaluated; if it is true stmt-1 is done. If it is false then stmt-2 is done.
else -if
This is used to make multi-way decisions.
The syntax is:
if (expr)
stmt;
[else if (expr)
stmt;]
...
[else
stmt;]
The expressions are evaluated in order; if any expression is true, the statement associated with
it is executed and it terminates the chain. If none of the conditions are satisfied the last else part
is executed.
Example:
if (x==25)
x=1;
else
x=x+1;
Also See: Statements
while
While is used as a loop/iteration statement.
The syntax is:
13
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