package homework;

import java.io.File; import java.io.FileNotFoundException; import java.io.PrintWriter; import java.util.Scanner; public class HW5 { public static void main (String[]args) throws FileNotFoundException {

// change the name and path of the files accordingly Scanner sc = new Scanner (new File ("testCase.txt")); PrintWriter myout = new PrintWriter (new File ("Output.txt"));

//Variable declaration int counter = 0, validCounter = 0, invalidCounter = 0; int score1, score2, score3;

while (sc.hasNext ()) { //looping file content counter++; String[] str = sc.nextLine ().split (","); //reading file and converting it to array score1 = Integer.parseInt (str[0]); score2 = Integer.parseInt (str[1]); score3 = Integer.parseInt (str[2]);

//using the described methods if (validGroup (score1, score2, score3, myout)) { myout.println ("The group is valid"); validCounter++;

onegamescore (score1, myout); onegamescore (score2, myout); onegamescore (score3, myout);

myout.println ("Average score of the group is " + avg3scores (score1, score2, score3));

} else invalidCounter++;

myout.println (); myout.println (); myout.println (); }

sc.close ();

myout.println ("Total Group Counter: " + counter); myout.println ("Total Valid Group Counter: " + validCounter); myout.println ("Total Invalid Group Counter: " + invalidCounter);

myout.flush (); myout.close ();

}

//checking for valid group public static boolean validGroup (int score1, int score2, int score3, PrintWriter myout) { boolean check = true;

int[] ar = { score1, score2, score3 }; //using array for storing score

for (int i = 0; i < ar.length; i++) { //looping the process if (ar[i] < 0 || ar[i] > 300) { myout.println ("This group is invalid"); check = false; if (ar[i] < 0) myout.println (ar[i] + " is negeative"); else myout.println (ar[i] + " is over 300"); } } return check; }

//getting player rating public static void onegamescore (int score, PrintWriter myout) { String rating = ""; if (score >= 250 && score <= 300) rating = "professional game"; else if (score >= 200 && score <= 249) rating = "excellent game"; else if (score >= 140 && score <= 199) rating = "very good game"; else if (score >= 100 && score <= 139) rating = "good game"; else if (score >= 50 && score <= 99) rating = "poor game"; else rating = "horrible game";

myout.println (score + " is a " + rating); }

//finding average of the scores public static int avg3scores (int score1, int score2, int score3) { return (score1 + score2 + score3) / 3; } }

please us the following

Local Variables in Methods

Defined Value-Returning Method:

Return Values of Data Type boolean

File I/O within a Method

Object Reference Parameters with Return

Value Parameters

Multiplication Table

void Methods

Using Multiple return Statements:

Method max3:

Value-Returning Method:

Data Type boolean

Methods (Member Functions)

Location of Methods

Parameterless Methods

Object Reference Parameters

please dont use .hasnext

please dont use .length

1. The Java source code file (e.g., HW5.java) 2. The test cases input file (e.g., testCases.txt) 3. The program generated output file (e.g., output.txt)