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81e72ba458
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2d1507022e
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2d1507022e | 4 weeks ago |
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911d0fba4c | 4 weeks ago |
2 changed files with 34 additions and 0 deletions
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import java.util.ArrayList; |
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import java.util.List; |
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public class HistoryCommand { |
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// 存储所有输入过的命令
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private final List<String> commandHistory = new ArrayList<>(); |
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// 添加命令
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public void addCommand(String cmd) { |
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commandHistory.add(cmd); |
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} |
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// 获取全部历史
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public List<String> getHistory() { |
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return new ArrayList<>(commandHistory); // 防御性拷贝,避免外部修改
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} |
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} |
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