difficultpo.java

可以实现在线考试

package po;

public class DifficultPO 
{
	private int did;
	private String dname;
	
	public int getDid() {
		return did;
	}
	public void setDid(int did) {
		this.did = did;
	}
	public String getDname() {
		return dname;
	}
	public void setDname(String dname) {
		this.dname = dname;
	}
}