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April 2, 2017 02:14
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ArrayList遍历的同时删除
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| ArrayList<String> list = new ArrayList<String>(); | |
| list.add("one"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| for(int i=0;i<list.size();i++){ | |
| if(list.get(i).equals("two")){ | |
| list.remove(i); | |
| } | |
| } | |
| System.out.println(list); |
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Learn more about bidirectional Unicode characters
| ArrayList<String> list = new ArrayList<String>(); | |
| list.add("one"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| for(String s:list){ | |
| if(s.equals("two")){ | |
| list.remove(s); | |
| } | |
| } | |
| System.out.println(list); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| ArrayList<String> list = new ArrayList<String>(); | |
| list.add("one"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| Iterator<String> iter = list.iterator(); | |
| while(iter.hasNext()){ | |
| String s = iter.next(); | |
| if(s.equals("two")){ | |
| iter.remove(); | |
| } | |
| } | |
| System.out.println(list); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| ArrayList<String> list = new ArrayList<String>(); | |
| list.add("one"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| list.add("two"); | |
| int size = list.size(); | |
| for(int i=size - 1;i>0;i--){ | |
| if(list.get(i).equals("two")){ | |
| list.remove(i); | |
| } | |
| } | |
| System.out.println(list); |
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