Properties: keySet() : Properties « java.util « Java by API






  1. Java by API
  2. java.util
  3. Properties

Properties: keySet()

  
/**
 *Output:
 The value of K2 is V2.
The value of K1 is V1.
 */

import java.util.Properties;
import java.util.Set;

public class MainClass {
  public static void main(String args[]) {
    Properties capitals = new Properties();

    capitals.put("K1", "V1");
    capitals.put("K2", "V2");

    Set states = capitals.keySet();

    for (Object name : states)
      System.out.println("The value of " + name + " is "
          + capitals.getProperty((String) name) + ".");
  }
}








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