check if char is number java

Solutions on MaxInterview for check if char is number java by the best coders in the world

showing results for - "check if char is number java"
Francisco
01 Mar 2018
1Character.isDigit(str.charAt(i));
Caterina
02 Jun 2017
1Character.isDigit(string.charAt(index)) //(JavaDoc) will return true if it's a digit
2Character.isLetter(string.charAt(index)) //(JavaDoc) will return true if it's a letter
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