C++ LANGUAGE DECISION MAKING PAGE 57

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C++ LANGUAGE DECISION MAKING

DECISION MAKING 

Decision making structures require that the programmer specify 
one or more conditions to be evaluated or tested by the program, 
along with a statement or statements to be executed if the 
condition is determined to be true, and optionally, other 
statements to be executed if the condition is determined 
to be false. 
Following is the general from of a typical decision making 
structure found in most of the programming languages: 
 
C++ programming language provides following types of decision making statements. 



Statement          Description 
if statement          An ‘if’ statement consists of a boolean 
                        expression followed by one or more statements. 
if...else statement  An ‘if’ statement can be followed by an optional 
                       ‘else’ statement, which executes when the boolean expression is false. 
switch statement  A ‘switch’ statement allows a variable to be tested 
                        for equality against a list of values. 
nested if statements  You can use one ‘if’ or ‘else if’ statement 
                        inside another ‘if’ or ‘else if’ statement(s). 
nested switch statements  You can use one ‘switch’ statement inside 
                              another ‘switch’ statement(s).