Maximum Number of Words You Can Type LeetCode solution in Java

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class Solution {
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  public int canBeTypedWords(String text, String brokenLetters) {
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    int count = 1;
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    boolean isBad = false;
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    for (char c : text.toCharArray()) {
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      if (c == ' ') {
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        isBad = false;
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        count++;
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      } else {
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        if (!isBad && brokenLetters.indexOf(c) != -1) {
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          isBad = true;
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          count--;
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        }
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      }
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    }
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    return count;
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  }
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}