Control Statements

Question 1

What is the use of the if -else control structures

Answer 1

They are used to test conditions.

Question 2

Check the syntax for if statements

Answer 2

if statement syntax 
if(condition){
//code to be executed
}

Question 3

What is the C++ if else statement syntax

Answer 3

if statement syntax 
if(condition){
//code to be executed
}

Question 4

What is the C++ If - else-if ladder Statement

Answer 4

if(condition1){    
//code to be executed if condition1 is true    
}else if(condition2){    
//code to be executed if condition2 is true    
}    
else if(condition3){    
//code to be executed if condition3 is true    
}     
else{    
//code to be executed if all the conditions are false    
}

Question 5

What does a switch statement do in C++

Answer 5

Executes one statement from multiple conditions.

Question 6

What is the syntax of the switch statement

Answer 6

switch(expression){      
case value1:      
 //code to be executed;      
 break;    
case value2:      
 //code to be executed;      
 break;    
......      
default:       
 //code to be executed if all cases are not matched;      
 break;    
}

Question 7

What is the use of a for loop

Answer 7

It is used to iterate a part of the program several times.

! If the number of iteration is fixed !

Question 8

What is the syntax of a for loop

Answer 8

for(initialization; condition; incr/decr){    
//code to be executed    
}

Question 9

What is a nested for loop

Answer 9

This is a for loop inside another for loop

Question 10

What is a while loop

Answer 10

it is a structure used to iterate a part of the program several times .!If the number of iterations is not fixed !

Question 11

What is the syntax of a while loop

Answer 11

while(condition){    
//code to be executed    
}