Difference between int and Integer The key difference between the Java int and Integer types is that an int simply represents a whole number, while an Integer has additional properties and methods.

Kevin Broughan, Nan Zhu, An Integer Programming Problem with a Linear Programming Solution, The American Mathematical Monthly, Vol. 107, No. 5 (May, 2000), pp. 444-446 ...

Most Android developers will use Java to write their apps. Java is an object oriented programming language. But what precisely does that mean?