compareutils.java

《j2ee开发全程实录》随书源码

package com.cownew.ctk.common;

public class CompareUtils
{
	public static boolean isEqual(Object obj1,Object obj2)
	{
		if(obj1==null&&obj2==null)
		{
			return true;
		}
		else if(obj1!=null&&obj2==null)
		{
			return false;
		}
		else if(obj1==null&&obj2!=null)
		{
			return false;
		}
		else
		{
			return obj1.equals(obj2);
		}
	}
}