How do I convert an integer to a string in Java?

Converting Integers to Strings in Java

When working with integers and strings in Java, it's often necessary to convert between the two data types. This question addresses how to efficiently convert an integer to a string in Java, providing authoritative solutions to ensure code reliability.

The most recommended approach is to use the String.valueOf() method. This method directly converts the integer to a string, offering simplicity and efficiency.

int number = 1234;
String stringNumber = String.valueOf(number);

An alternative syntax is to simply concatenate the integer with an empty string. The Java compiler automatically coerces the integer to a string, providing a concise option.

String stringNumber = "" + number;

Lastly, you can use the Integer.toString() method, which explicitly converts an Integer object to a string.

String stringNumber = Integer.toString(number);

In summary, these three methods offer reliable ways to convert integers to strings in Java. As a best practice, consider using String.valueOf() for its simplicity and efficiency.

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