java1.8 foreach

1. classic for
2. classic foreach
3. List.forEach()
4. List.stream().forEach()
5. List.parallelStream().forEach

  

1.classic for

for(int i = 0, l = list.size(); i < l; ++i) {
    doIt(list.get(i));
}

2.classic foreach

for(Integer i : list) {
    doIt(i);
}

3.List.forEach()

list.forEach((i) -> doIt(i));

4.List.stream().forEach()

list.stream().forEach((i) -> doIt(i));

5.List.parallelStream().forEach()

list.parallelStream().forEach((i) -> doIt(i));