// Testing methods inherited from java.util.Arrays
import java.util.Arrays;

public class Arrays2 {
    public static void main (String[] args) {
	
	int[] x1 = {1,2,3};
        int[] x2 = (int[]) x1.clone();
	int[] x3 = {1,2,3};
	int[] x4 = new int[3];
	System.arraycopy(x1,0,x4,0,3);

	System.out.println("Test 1: "+Arrays.equals(x1,x1));
	System.out.println("Test 2: "+Arrays.equals(x1,x2));
	System.out.println("Test 3: "+Arrays.equals(x1,x3));
	System.out.println("Test 4: "+Arrays.equals(x1,x4));

	// output: all true
	// This version of equals checks entire array

	Integer[] x5 = {new Integer(3), new Integer(1), new Integer(2)};
	
	System.out.println("Test 5: "+Arrays.asList(x5));
	System.out.println("Test 6: "+Arrays.binarySearch(x5,new Integer(1)));

	Arrays.sort(x5);
	for (int i=0;i<x5.length;i++)
	    System.out.print(x5[i]+" ");
	System.out.println();

    }
}

/* output:
   Test 1: true
   Test 2: true
   Test 3: true
   Test 4: true
   Test 5: [3, 1, 2]
   Test 6: 1
   1 2 3 
*/