1.

Write the differences between1.  if statement2.  if-else statement with an example for each.

Answer»

Example:

#include <iostream.h>

void main()

{

int a = 100;

int b = 200;

If (b>a)

{

cout <<"B is greater than A";

}

}

Result:

B is greater than A

In the above example the condition in the if statement returns a true value so the text “B is greater than A” is displayed. If value of ‘a’ is greater than value of ‘b’ then no message is displayed.

Example:

#include <iostream.h>

void main()

{

int a = 10;

int b = 20;

If (a>b)

{

cout <<"A is greater than B";

}

else

{

cout<<"B is greater than A";

}

}

Result:

B is greater than A In the above example the “if condition is true then the message ‘A’ is greater than B” is displayed and in the above program, condition is false so the code in the “else” part is executed. 



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