Question

6. If a = 5, b =9, calculate the value of:
a += a++ - ++b + a
7. If x= 3. y = 7, calculate the value of

x = x++-++y
8. What will be the output of the following if x=5?

5*++*
5*x++





please give solution of these questions​

Answer 1

Answer:

6) if a = 5 and b = 9

a+= a++ - ++b +a

=> 5 += 5++ - ++9 +5

=> 5+= ( 5 + 1 ) - ( 9 + 1) + 5

=> 5 += 6 - 10 + 5

=> 5+= 4 + 9

=> 5+= 13

=> 13 + 5

=> 18 (ans)

----------------END-----------------

7) if x = 3 and y = 7

x = x++ - ++y

=> 3 = ( 3 + 1 ) - ( 7 + 1 )

=>  3 = 4 - 8

=> 3 = 4 (ans)

------------ END --------------

8) if x = 5

5*++*

=> 5 * 1  + 1 * 1

=> 5 + 6 * 1

=> 11 * 1

=> 12

----------------END of first equation----------------

5*x++

=> 5 * 5++

=> 25++

=> 26

--------------------- ANSWER ENDS HERE ------------------------

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Explanation:

Answer 2

Answer:

Explanation:

x = x++ + ++y; (1)  

y = ++x + ++y; (2)  

In (1) this is the following operations to be done.  

i) ++y  

ii) x = x+y  

iii) x ++  

In (2) this is the following operations to be done.  

i) x ++  

ii) y++  

iii) y = x + y

- Psycho 7 years ago | Flag Reply

0

of 0 votes

i have a doubt .

the precedence of increment operator is higer than +,*,/ ,then before performing addition,The postfix and prefix operation is performed then then arithmetic operation.

in both cases i think the operations to be done are

i)++x

ii)y++

iii)y=x+y