/* This program demonstrates the use of methods in Java.
 * Methods are like mini programs that can be "called" by another program, or another part of the same program
 * Methods are built for specific purposes.
 */
import java.util.Scanner;
class Methods
{
	/* This method is called assThreeNumbers. It accepts 3 integer paramters and returns and integer as well.
	 * We have declared this method static. That means we can have only one instance of this method per class.
	 * For now, all the methods we write will be static.
	 * This method adds 3 integers and returns their sum.
    	 */
	static int addThreeNumbers (int num1, int num2, int num3)
	{
		//The parameters num1, num2, and num3 are local variables. They can be used as regular variables.
     		// And they are destroyed when control leaves the method.
		int sum;
		sum = num1 + num2 + num3;
		return sum; // The return statement returns the value to the place of call, where it can be received in a 
			    // variable, printed, used as a parameter to another method, etc.
	}

	/* This method is called starbucks. It takes a String parameter and returns a String value.
	 * This method returns a catchphrase associated with a certain name.
	 * If there is no catchphrase for the name, it returns "No Cathcphrase".
	 */
	static String starbucks ( String name)
	{
		String catchphrase = "No Catchphrase";//default value
		if (name.equalsIgnoreCase("John Cena"))
			catchphrase = "Ba Da Da Daaa";	// or is is "You can't see me"?
		else	if (name.equalsIgnoreCase("Donald Trump"))
			catchphrase = "China";
		else if (name.equalsIgnoreCase("Tommy Wiseau"))
			catchphrase = "Oh hi Mark!";
		return catchphrase;
	}
	public static void main(String [] args)
	{
		Scanner input = new Scanner (System.in);
		int a,b,c;
		System.out.println("Enter 3 mumbers:");
		a=input.nextInt();
		b=input.nextInt();
		c=input.nextInt();
		//Over here, the 3 numbers we just read in are passed to the addThreeNumbers method. 
		// The returned result is stored in the variable called result.
		int result = addThreeNumbers(a,b,c);
		System.out.println("The sum is : "+result);
		
		//We can pass literals as parameters. We can also directly print the returned value.
		System.out.println("The sum of 2345, -974 and 1048 is "+ addThreeNumbers(2345,-974,1048));

		String answer;
		System.out.println("Enter your name");
		String junk = input.nextLine(); // to remove the preceding newline
		answer = input.nextLine();
		//This method is used in a similar vein to the previous method
		System.out.println(starbucks(answer));
		System.out.println("Tommy Wiseau's catchphrase is "+starbucks("Tommy Wiseau"));
	}
}