public class Tuple {
 	private long timestamp;
  	private Miner min;
  
  	public Tuple(long l, Miner m)
    {
    	this.timestamp = l;
      	this.min = m;
    }
  	public long getTimestamp()
    {
    	return this.timestamp;  
    }
  	public Miner getMiner()
    {
     	return this.min; 
    }
}

Create Tuple.java