Ruby program to get the successor of an integer number using library function

Program/Source Code:

The source code to get the successor of an integer number using the library function is given below. The given program is compiled and executed successfully.

# Ruby program to get the successor of an 
# integer number using library function

num1 = 20;
num2 = -23

print "Successor of num1: ",num1.succ(),"\n";
print "Successor of num2: ",num2.succ(),"\n";

Output:

Successor of num1: 21
Successor of num2: -22

Explanation:

In the above program, we created two variables num1, num2 and initialized 20, -23 respectively. Then we got the successor of the given integer number using the succ() library function and printed the result.