13 lines
346 B
Java
13 lines
346 B
Java
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// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/12918
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class Solution {
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public boolean solution(String s) {
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boolean ss = true;
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try{
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Integer.parseInt(s);
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}catch(Exception e){
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ss = false;
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}
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return ((s.length() == 4 || s.length() == 6) && ss);
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}
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}
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