CP M2 : Sequential and Selection Control Structures

Sequential Control Structure

Refers to the line-by-line execution by which statements are executed sequentially, in the same order in which they appear in the program.

Selection Control Structure

Allows one set of statement to be executed if a condition is true and another set of actions to be executed if a condition is false.

if

Used to specify a block of code to be executed, if a specified condition is true

else

Used to specify a block of code to be executed, if the same condition is false

else if

Used to specify a new condition to test, if the first condition is false

switch

Used to specify many alternative blocks of code to be executed

The simplest of the three fundamental control structure.

Sequential Control Structure

The Nested if Statements

you can use one if or else if statement inside another if or else if statement(s).

It simplifies the process of checking the same variable for a set of different equality values.

The switch-case conditional

break keyword

This will stop the execution of more code and case testing inside the block.

default keyword

specifies some code to run if there is no case match

The Nested switch Statement

a programming construct where one switch statement is placed inside another switch statement.