How to create an Integer vs. int in Java While there is really only one way to initialize an int directly, you can initialize Integer types in Java multiple ways, including: Through a Java constructor ...

Use the parse method of another wrapper class. Use the deprecated constructor of the Long class and autobox into a primitive long. Use the parse method of a different wrapper class, such as Integer.

This argument is converted to an integer by calling the java.lang.Integer class’s parseInt() method, which parses the value of its string argument into an integer (or throws an exception when ...