Added isNumber for characters
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@ -39,6 +39,17 @@ class MathUtil {
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return isNumber(string, 19);
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return isNumber(string, 19);
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}
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}
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/**
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* Checks to see if the character is a number
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*
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* @return true if it's a number, false otherwise
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*/
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public static
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boolean isNumber(final char character) {
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// way faster than Character.isDigit()
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return character >= '0' && character <= '9';
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}
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/**
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/**
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* Checks to see if the string is a number
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* Checks to see if the string is a number
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*
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*
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@ -72,6 +83,7 @@ class MathUtil {
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for (; i < length; i++) {
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for (; i < length; i++) {
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char c = string.charAt(i);
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char c = string.charAt(i);
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// way faster than Character.isDigit()
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if (c < '0' || c > '9') {
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if (c < '0' || c > '9') {
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return false;
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return false;
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}
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}
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