/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

8 votes193 views3 answers
Get first letter of string in array java
Java
0 vote155 views2 answers
Android studio clear child views
Java
1 vote132 views1 answer
Java date with T
Java
0 vote81 views1 answer
Lowercase a character java
Java
-5 votes155 views1 answer
Android studio get time
Java
0 vote138 views1 answer
Split string into int array
Java
0 vote131 views1 answer
Javafx get listview fxml id
Java
0 vote135 views1 answer
How to check if user is logged in firebase android and then load another activity
Java
1 vote145 views1 answer
Java rgb to color
Java
0 vote131 views1 answer
Install java centos 8
Java