hashtableenumeration.java~1~

来自「some example source of java,for beginner」· JAVA~1~ 代码 · 共 36 行

package example5;
import java.util.*;

public class HashtableEnumeration {
  public Hashtable rightList;
  public static void main(String[] args) {
    HashtableEnumeration he=new HashtableEnumeration();
    he.init();
    he.print();
  }
  public void init(){
    String[] accRoleList={"admin","satrap","manager","user","guest"};
    String[] rightCodeList={"10001","10011","10021","20011","24011"};
    for (int i=0;i<accRoleList.length;i++){
      rightList.put(accRoleList[i],rightCodeList[i]);
    }
  }
  public String getRight(String accRole){
    if (rightList.containsKey(accRole))
      return (String)rightList.get(accRole);
    else
      return null;
  }
  public void delete(String accRole){
    if (rightList.containsKey(accRole))
      rightList.remove(accRole);
  }
  public void print(){
    Enumeration RLKey=rightList.keys();
    while(RLKey.hasMoreElements()){
      String accRole=RLKey.nextElement().toString();
      System.out.println (accRole+"="+this.getRight(accRole));
    }
  }
}