check if char is number java
Character.isDigit(str.charAt(i));check if char is number java
Character.isDigit(str.charAt(i));how to check whether a character is alphabet or not in java
//Long version:
private (static) boolean isAlphabet(char c) {
return (c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z');
}
//SHort version:
private (static) boolean isAlphabet(char c) {
return if (c in 'a'..'z' || с in 'A'..'Z' || c in '0'..'9');
}Copyright © 2021 Codeinu
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