Welcome to the

trial course!

Undergrad Certificate

• CC 110 - Introduction to Computing (Coming Soon)
• CC 210 - Fundamental Computer Programming Concepts
• CC 310 - Data Structures & Algorithms I
• CC 315 - Data Structures & Algorithms II
• CC 410 - Advanced Programming

Programming

Image Credit: Wikimedia Commons

// Load required classes
import java.util.Scanner;
import java.io.File;
public class Conditionals{
  
  public static void main(String[] args) throws Exception{
    // Scanner variable
    Scanner reader;
    // If an argument is present, we are reading from a file
    // specified in args[0]
    if(args.length > 0){
      reader = new Scanner(new File(args[0]));
    // If no argument, read from System.in
    }else{
      reader = new Scanner(System.in);
    }
    int x = reader.nextInt();
    System.out.println(x);
  }
}

# Load required modules
import sys

# If an argument is present,
# we are reading from a file
# specified in sys.argv[1]
if len(sys.argv) > 1:
  reader = open(sys.argv[1])
# If no argument, read from stdin
else:
  reader = sys.stdin

x = int(reader.readline())
print(x)