jobskillpk.java

21天精通Java,这是一本英文书

package data;

import java.io.*;
import javax.ejb.*;

public class JobSkillPK implements Serializable
{
	public String job;
	public String customer;
	public String skill;
	
	public JobSkillPK() {
	}

	public JobSkillPK(String job, String customer, String skill) {
		this.job = job;
		this.customer = customer;
		this.skill = skill;
	}

	public String getJob() {
		return job;
	}

	public String getCustomer() {
		return customer;
	}

	public String getSkill() {
		return skill;
	}

	public boolean equals(Object obj) {
		if (obj instanceof JobSkillPK) {
			JobSkillPK pk = (JobSkillPK)obj;
			return (job.equals(pk.job) &&
					customer.equals(pk.customer) &&
					skill.equals(pk.skill)) ;
		}
		return false ;
	}

	public int hashCode() {
		return (job.hashCode() ^ customer.hashCode() ^ skill.hashCode());
	}

	public String toString() {
		return "JobSkillPK: job=" + job + ", customer=" + job + ", skill=" + skill;
	}
}