Create HackerRankInheritance.java

moinuddin14 · web-flow · commit aed43f6999a8 · 2019-05-04T07:56:47.000+05:30
diff --git a/src/test/java/com/java/programs/HackerRankInheritance.java b/src/test/java/com/java/programs/HackerRankInheritance.java
@@ -0,0 +1,102 @@
+import java.util.*;
+
+class Person {
+	protected String firstName;
+	protected String lastName;
+	protected int idNumber;
+	
+	// Constructor
+	Person(String firstName, String lastName, int identification){
+		this.firstName = firstName;
+		this.lastName = lastName;
+		this.idNumber = identification;
+	}
+	
+	// Print person data
+	public void printPerson(){
+		 System.out.println(
+				"Name: " + lastName + ", " + firstName 
+			+ 	"\nID: " + idNumber); 
+	}
+	 
+}
+
+class Student extends Person{
+	private int[] testScores;
+
+    /*	
+    *   Class Constructor
+    *   
+    *   @param firstName - A string denoting the Person's first name.
+    *   @param lastName - A string denoting the Person's last name.
+    *   @param id - An integer denoting the Person's ID number.
+    *   @param scores - An array of integers denoting the Person's test scores.
+    */
+    // Write your constructor here
+
+    /*	
+    *   Method Name: calculate
+    *   @return A character denoting the grade.
+    */
+    // Write your method here
+
+    int[] scores;
+
+    public Student(String firstName, String lastName, int id, int[] scores) {
+        super(firstName,lastName,id);
+        this.scores = scores;
+    }
+
+    public char calculate() {
+        int totalScore  = 0;
+        int average     = 0;
+        int id = String.valueOf(idNumber).length();
+        for(int i = 0; i < scores.length; i++) {
+            totalScore += scores[i];
+        }
+
+        average = totalScore/scores.length;
+
+        if(firstName.length() >= 1 && 
+            lastName.length() <=10 && 
+            id == 7 && 
+            totalScore >=0 &&
+            average <= 100) 
+        {
+                if (average >= 90 && average <= 100)
+                    return 'O';
+                else if (average >= 80 && average <= 90)
+                    return 'E';
+                else if (average >= 70 && average <= 80)
+                    return 'A';
+                else if (average >= 55 && average <= 70)
+                    return 'P';
+                else if (average >= 40 && average <= 55)
+                    return 'D';
+                else 
+                    return 'T';
+        } else {
+            return Character.MIN_VALUE;
+        }
+        
+    }
+}
+
+class Solution {
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		String firstName = scan.next();
+		String lastName = scan.next();
+		int id = scan.nextInt();
+		int numScores = scan.nextInt();
+		int[] testScores = new int[numScores];
+		for(int i = 0; i < numScores; i++){
+			testScores[i] = scan.nextInt();
+		}
+		scan.close();
+		
+		Student s = new Student(firstName, lastName, id, testScores);
+		s.printPerson();
+		System.out.println("Grade: " + s.calculate() );
+	}
+}
