APCS/03 Sorting _ Big-O/06 Big-O _ Widgets/Widgets_Driver.java

// Name: B6-24
// Date: 11/1/19

import java.io.*;      
import java.util.*;    
   
public class Widgets_Driver
{
   public static final int numberOfWidgets = 57;
   
   public static void main(String[] args) throws Exception
   {
      // test the methods
      Widget a = new Widget();
      System.out.println("Default widget A:  " + a.toString());
      Widget b = new Widget(23, 10);
      System.out.println("2-arg constructor B:  " + b.toString());
      Widget c = new Widget(b);
      System.out.println("Copy constructor C:  " + c.toString());
      System.out.print("C's cubits = " + c.getCubits());
      System.out.println( " and hands = " + c.getHands());
      System.out.println("Test the equals methods: ");
      System.out.println("   A equals B " + a.equals(b));
      System.out.println("   B equals C " + b.equals(c));
      
      c.setCubits(3);
      c.setHands(4);
      System.out.print("C is reset to " + c.toString());
      
      System.out.println("\nTest each sort on 57 Widgets");
      Comparable[] apple = input("widgets.txt");
      Scanner sc = new Scanner(System.in);
      System.out.println("  1 Selection Sort");
      System.out.println("  2 Insertion Sort");
      System.out.println("  3 Merge Sort");
      System.out.println("  4 Quick Sort");
      System.out.print("Choose your sort:  ");
      int choice = Integer.parseInt(sc.next());
      System.out.println();
      switch( choice )
      {
         case 1:   // call your sort 
            Selection.sort(apple);
            break;
         case 2:   // call your sort   
            Insertion.sort(apple);
            break;
         case 3:   // call your sort  
            MergeSort.sort(apple);
            break;
         case 4:   // call your sort  
            QuickSort.sort(apple);
            break;
         default:  System.out.println("Wrong choice");
      }
      print(apple);
   }
          	
   public static Comparable[] input(String filename) throws Exception
   {
      Scanner sc = null;
      try {
         sc = new Scanner(new File(filename));
      } catch(FileNotFoundException e) {
         return new Comparable[0];
      }
      
      Comparable[] arr = new Comparable[57];
      int index = 0;
      
      for (int i = 0; i < 57; i++) {
         int cubits = sc.nextInt();
         int hands = sc.nextInt();
         arr[index] = new Widget(cubits, hands);
         
         index++;
      }
      
      return arr;
   }
   	  
   public static void print(Object[] mango)
   {
      for (Object obj : mango)
         System.out.println(obj);   
   }
}

  
   
 /***************************************
      
 Default widget A:  0 cubits 0 hands
 2-arg constructor B:  23 cubits 10 hands
 Copy constructor C:  23 cubits 10 hands
 C's cubits = 23 and hands = 10
 Test the equals methods: 
    A equals B false
    B equals C true
 C is reset to 0 cubits 0 hands
 
 Test each sort on 57 Widgets
   1 Selection Sort
   2 Insertion Sort
   3 Merge Sort
   4 Quick Sort
 Choose your sort:  2
 
 0 cubits 14 hands
 1 cubits 3 hands
 2 cubits 14 hands
 5 cubits 14 hands
 10 cubits 14 hands
 11 cubits 11 hands
 12 cubits 0 hands
 12 cubits 7 hands
 13 cubits 9 hands
 15 cubits 12 hands
 17 cubits 5 hands
 18 cubits 13 hands
 19 cubits 13 hands
 19 cubits 13 hands
 22 cubits 6 hands
 23 cubits 7 hands
 24 cubits 15 hands
 24 cubits 15 hands
 26 cubits 2 hands
 28 cubits 5 hands
 28 cubits 12 hands
 29 cubits 15 hands
 31 cubits 0 hands
 32 cubits 1 hands
 32 cubits 11 hands
 32 cubits 11 hands
 32 cubits 12 hands
 35 cubits 3 hands
 39 cubits 2 hands
 39 cubits 5 hands
 41 cubits 10 hands
 43 cubits 2 hands
 43 cubits 5 hands
 43 cubits 6 hands
 51 cubits 2 hands
 54 cubits 14 hands
 55 cubits 8 hands
 56 cubits 3 hands
 57 cubits 12 hands
 62 cubits 15 hands
 63 cubits 0 hands
 64 cubits 13 hands
 67 cubits 3 hands
 70 cubits 0 hands
 73 cubits 5 hands
 74 cubits 7 hands
 75 cubits 9 hands
 81 cubits 5 hands
 85 cubits 14 hands
 86 cubits 3 hands
 90 cubits 13 hands
 91 cubits 3 hands
 92 cubits 1 hands
 92 cubits 8 hands
 96 cubits 1 hands
 98 cubits 8 hands
 99 cubits 5 hands
 
  ----jGRASP: operation complete.    
  ************************************/