studentpk.java

来自「100多M的J2EE培训内容」· Java 代码 · 共 22 行

package bible.ejb.entity.bmp;

import java.io.Serializable;

public class StudentPK implements Serializable
{
  public String id;

  public int hashCode() {
    return id.hashCode();
  }

  public boolean equals(Object that)
  {
    if (that == null || !(that instanceof StudentPK))
      return false;

    String otherId = ((StudentPK) that).id;
    return id.equals(otherId);
  }
}