first aa

Sort.java

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+
+package sort;
+
+
+
+
+
+public class Sort {
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        int N=100000;
+        int start=0;
+        int end=1000000;
+        
+        RandomNum rn=new RandomNum();
+        int[] A=new int[N];
+     //   A=rn.RandomGen(N,start,end);
+        for(int k=0;k<N;k++){
+            A[k]=k;
+        }
+            
+        int[] B=A.clone();
+        int[] C=A.clone();
+        int[] D=A.clone();
+        
+        
+        SelectionSort s=new SelectionSort();
+        MergeSort m=new MergeSort();
+    //    InsertionSort i=new InsertionSort();
+    //    QuickSort q=new QuickSort();
+        
+        Stopwatch clock1=new Stopwatch();
+        m.sort(A);
+        double time1=clock1.elapsedTime();
+        
+        Stopwatch clock2=new Stopwatch();
+        s.sort(B);
+        double time2=clock2.elapsedTime();
+        
+     //   Stopwatch clock3=new Stopwatch();
+    //    i.sort(C);
+    //    double time3=clock3.elapsedTime();
+        
+     //   Stopwatch clock4=new Stopwatch();
+     //   q.sort(D);
+     //   double time4=clock4.elapsedTime();
+        
+        System.out.println("Selection sort:"+time2+"s");
+     //   System.out.println("Insertion sort:"+time3+"s");
+        System.out.println("Merge sort:"+time1+"s");
+     //   System.out.println("Quick sort:"+time4+"s");
+        
+        
+    }
+    
+}