/Java/Java how to check string is number

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;
}

Source: baeldung.com

Similar codes

0 vote217 views1 answer
POST method) in spring rest api
Java Spring
0 vote189 views2 answers
How to calculate min, max and average and write the output into into a text file in java
Java
2 votes167 views2 answers
Clear an array list in java
Java
0 vote220 views2 answers
Remove letter from middle of string javasdript
Java
0 vote187 views1 answer
How to check grant permissions in android
Java
1 vote183 views1 answer
Wat is voorbereiden voltooid deelwoord
Java
2 votes180 views2 answers
Compare two character alphabetically java
Java
0 vote170 views1 answer
Java code file
Java
2 votes174 views1 answer
Java print text with variables
Java
22 votes180 views6 answers
Recycler view dependency
Java