Crawler Log Folder LeetCode solution in Java

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class Solution {
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  public int minOperations(String[] logs) {
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    var stack = new Stack<String>();
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    for (var log : logs) {
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      if (log.equals("../")) {
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        if (!stack.empty()) stack.pop();
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      } else if (log.equals("./")) {
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      } else {
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        stack.push(log);
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      }
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    }
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    return stack.size();
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  }
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}