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