java is number
String someString = "123123";
boolean isNumeric = someString.chars().allMatch( Character::isDigit );java is number
String someString = "123123";
boolean isNumeric = someString.chars().allMatch( Character::isDigit );java how to check string is number
public static boolean isNumeric(String strNum) {
if (strNum == null) {
return false;
}
try {
double d = Double.parseDouble(strNum);
} catch (NumberFormatException nfe) {
return false;
}
return true;
}Copyright © 2021 Codeinu
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