/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main(String[] args) throws Exception {
        int [] array1 = new int[]{1,2,3};
        int [] array2 = new int[]{1,2,3};
        int [] array3 = new int[]{1,2,3};
 
        System.out.println(array1 == array2);//this will print false
        System.out.println(Arrays.equals(array1, array2));//this will print true
        array2 = array1;
        //now "==" will return true
        System.out.println(array1 == array2);
        Arrays.sort(array1);
        Arrays.sort(array3);
        System.out.println(Arrays.equals(array1,array3));
 
 
 
    }
}   
 

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