studentstrategy.java

数据结构与算法

package dsa.strategy;

import dsa.element.Student;

public class StudentStrategy implements Strategy {
	
	public boolean equal(Object obj1, Object obj2) {
		if (obj1 instanceof Student && obj2 instanceof Student)
		{
			Student s1 = (Student)obj1;
			Student s2 = (Student)obj2;
			return s1.getSId().equals(s2.getSId());
		}
		else
			return false;
	}

	public int compare(Object obj1, Object obj2) {
		if (obj1 instanceof Student && obj2 instanceof Student)
		{
			Student s1 = (Student)obj1;
			Student s2 = (Student)obj2;
			return s1.getSId().compareTo(s2.getSId());
		}
		else
			return obj1.toString().compareTo(obj2.toString());
	}	
}