How to convert integer to String in Java?

There are several ways to convert an integer to a string in Java:

• Using the + operator: int i = 42; String s = "" + i;
• Using String.format(): int i = 42; String s = String.format("%d", i);
• sing String.valueOf() method: int i = 42; String s = String.valueOf(i);
• Using the StringBuilder or StringBuffer class: int i = 42; String s = new StringBuilder().append(i).toString();
• Using the Integer wrapper class: Integer i = new Integer(42); String s = i.toString();

You can use any of the above methods depending on your requirement.