propdemo.java~1~

来自「java2参考大全上的例子的源码和自己的理解.」· JAVA~1~ 代码 · 共 45 行

package properties;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

// Demonstrate a Property list.
import java.util.*;

class PropDemo {
  public static void main(String args[]) {
    Properties capitals = new Properties();
    Set states;
    String str;

    capitals.put("Illinois", "Springfield");
    capitals.put("Missouri", "Jefferson City");
    capitals.put("Washington", "Olympia");
    capitals.put("California", "Sacramento");

    // Show all states and capitals in hashtable.
    states = capitals.keySet(); // get set-view of keys
    Iterator itr = states.iterator();

    while (itr.hasNext()) {
      str = (String) itr.next();
      System.out.println("The capital of " +
                         str + " is " +
                         capitals.getProperty(str)
                         + ".");
    }
    System.out.println();

    // look for state not in list -- specify default
    str = capitals.getProperty("Florida", "Not Found");
    System.out.println("The capital of Florida is "
                       + str + ".");
  }
}