Apache HashCode and Equals

import org.apache.commons.lang.builder.EqualsBuilder;

import org.apache.commons.lang.builder.HashCodeBuilder;

public class Emp {

	private String name;
	private int sal;
	private List<Emp> subordinates;
	
	@Override
	public int hashCode(){
	
		return new HashCodeBuilder()
			.append(name)
			.append(sal)
			.append(subordinates)
			.toHashCode();
	
	}
	
	@Override
	public boolean equals(final Object obj){
	
		if(obj instanceof Emp){
		
			final Emp other = (Emp) obj;
			return new EqualsBuilder().append(name, other.name)
				.append(sal, other.sal)
				.append(subordinates, other. subordinates)
				.isEquals();
		
		} else{
				return false;
		}
	}
	
}