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August 29, 2015 14:17
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Check whether the string has the same characters in it.
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| public class UniqunessCheck { | |
| public boolean isUnique(String str){ | |
| boolean isUnique = true; | |
| for(int i = 0; i < str.length(); i++){ | |
| for(int k = 0; k < str.length(); k++){ | |
| if(i != k){ | |
| if(str.charAt(i).equals(str.charAt(k))){ | |
| isUnique = false; | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| return isUnique; | |
| } | |
| } |
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引数に渡された文字列に同じキャラクターが含まれないかチェックするメソッド