In Java, int is a primitive data type while Integer is a Wrapper class

Can we assign integer to int in Java?

As already written elsewhere: For Java 1.5 and later you don’t need to do (almost) anything, it’s done by the compiler. For Java 1.4 and before, use Integer. intValue() to convert from Integer to int.

Can we convert int to integer?

Convert Int to Integer Using Integer Constructor in Java We can use its constructor to convert an int to an Integer object. In the below example, we used the Integer class constructor that takes an int value as an argument and returns it as an Integer object.