/* 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 java.lang.Exception
	{
		Object o1 = new Object();
		Object o2 = o1;
		Object o3 = new Object();
 
		System.out.println("o1 == o2: "+(o1 == o2));
		System.out.println("o1 == o3: "+(o1 == o3));
		System.out.println("o1.equals(o2): "+(o1.equals(o2)));
		System.out.println("o1.equals(o3): "+(o1.equals(o3)));
	}
}

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