IIHT institution is offering a variety of courses to students. Students have a facility to check whether aparticular course is available in the institution. Write program to help the institution accomplish this task. If the number is less than or equal to zero display "Invalid Range". Only file "Course.java" should be submitted.

Assume maximum number of courses is 20.

Sample Input 1:

Enter no of course:

5

Enter course names:

Java

Oracle

C++

Mysql

Dotnet

Enter the course to be searched:

C++

Sample Output 1:

C++ course is available

Sample Input 2:

Enter no of course:

3

Enter course names:

Java

Oracle

Dotnet

Enter the course to be searched:

C++

Sample Output 2:

C++ course is not available

Sample Input 3:

Enter no of course:

0

Sample Output 3:

Invalid Range