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Iterating over a HashMap

Iterating over a HashMap using the enhanced loop (foreach) in Java is a good way to keep your code smaller, more legible and usually more semantically coherent.

import java.util.HashMap;
import java.util.Map;
class Foo {}
public class Main {
   public static void main(String args[]){
      Map<Byte, Foo> mHash;
      mHash = new HashMap<Byte, Foo>();
      mHash.put((byte)1, new Foo());
      mHash.put((byte)2, new Foo());
      mHash.put((byte)3, new Foo());
      for(Foo f: mHash.values()){
Published inenglish

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