Do not add an empty string

Metadata

ID: java-best-practices/add-empty-string

Language: Java

Severity: Warning

Category: Best Practices

Description

Do not add an empty string. Use the appropriate method to generate the data you need, and add the toString method of the type you want to export as a string.

Non-Compliant Code Examples

class Main {

    public static void main(String[] args) {
        String s = "" + 239;
        String t = "123" + 456;
    }
}

Compliant Code Examples

class Main {

    public static void main(String[] args) {
        String s = Integer.toString(239);
    }
}