Comma operator

Comma operator ( , )

• Evaluate of comma operator- Left to right.
• Uses of comma operator as following :
  1. Multiples declaration
  2. Multiples initialization
  3. Multiples variation
  4. Multiples statement 
• Example of comma operator
  1. int x=0,y=1,z=2;
  2. for(x=0 , y=1, z=2 ; condition1 , condition2 ;increment/decrement)