hashtableenumeration.java~2~

some example source of java,for beginner.inside there are a lot of sample examples

package example5;

import java.util.*;

public class HashtableEnumeration {
  public static void main(String[] args) {
    HE he = new HE();
    he.init();
    he.print();
  }
}

class HE {
  public Hashtable rightList;
  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));
    }
  }
}