Idea快捷键

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• for 循环
  * ctrl + alt + t

for 循环

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1String[] strings = new String[9];

2ArrayList<String> arrayList = new ArrayList<>();

3Map<Integer, String> map = new HashMap<>();

4

5

iter

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1for (Integer i : map.keySet()) {

2}

3for (String s : map.values()) {

4}

5for (String s : strings) {

6}

7for (String s : arrayList) {

8}

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itar

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1for (int i = 0; i < strings.length; i++) {

2    String string = strings[i];

3}

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5

itli

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1for (int i = 0; i < arrayList.size(); i++) {

2    Integer integer =  arrayList.get(i);

3}

4for (int i = 0; i < map.size(); i++) {

5    String s = map.get(i);

6}

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fori

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1for (int i = 0; i < ; i++) {           

2}

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ctrl + alt + t

快捷 if if/else while do/while for try/catch…