/* 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
	{
		Integer e = new Integer(3);
		Integer t = new Integer(5);
		swap(e, t);
		System.out.println(" e is " + e + " t is " + t);
	}
	private static void swap(Integer e, Integer t){
		Integer temp = t;
		t = e;
		e = temp;
 
 
	}
}

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