Using Java Methods to Transform Int into String

Java, a prevalent programming language praised for its flexibility and transportability, often necessitates the transformation of integers to text formats. This is particularly true for applications where numerical data must be represented in text for visualization or manipulation. Among the various methods, the String.valueOf() technique stands out due to its straightforwardness and dependable efficiency throughout Java versions. Similarly, the Integer.toString() function offers an intuitive pathway, a dedicated tool from the Integer class, designed particularly for such transformations. Some developers might opt for string concatenation, where adding an empty string to an integer, like intNum + "", achieves the change. While this approach is handy for sporadic use, there might be better choices for extensive transformations. Therefore, when focusing on performance in mass conversions, it's vital to weigh the pros and cons of each method and consider dedicated libraries or approaches for the task. In this Java Integer to String Example, we showcase converting a number into a string using different methods. Click Execute to run the Java Integer to String Example online and see the result.
Using Java Methods to Transform Int into String Execute 
public class IntToStringDemo {
    public static void main(String[] args) {
        int number = 12345;

        String str1 = String.valueOf(number);
        System.out.println("Using String.valueOf(): " + str1);

        String str2 = Integer.toString(number);
        System.out.println("Using Integer.toString(): " + str2);

        String str3 = "" + number;
        System.out.println("Using concatenation: " + str3);
    }
}
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