Map.Entry: getKey() : Map « java.util « Java by API

Map.Entry: getKey()

 

import java.util.Iterator;
import java.util.Map;
import java.util.Properties;

public class Main {
  public static void main(String[] a) {
    Properties props = System.getProperties();
    Iterator iter = props.entrySet().iterator();

    while (iter.hasNext()) {
      Map.Entry entry = (Map.Entry) iter.next();
      System.out.println(entry.getKey() + " -- " + entry.getValue());
    }

  }
}

Related examples in the same category

1.	implements Map
2.	java.util.Map.Entry
3.	Map: clear()
4.	Map: containsKey(Object key)
5.	Map: containsValue(Object value)
6.	Map: equals(Object o)
7.	Map: get(Object key)
8.	Map.Entry: getValue()
9.	Map: keySet()
10.	Map: put(T key, T value)
11.	Map: putAll(Map m)
12.	Map: remove(Object key)
13.	Map: size()
14.	Map: values()