
What is the difference between Integer and int in Java?
Integer is a class, no different from any other in the Java language. Variables of type Integer store references to Integer objects, just as with any other reference (object) type. …
java - Using int vs Integer - Stack Overflow
I came across a class using Integer variables to capture size to be used in a for loop. Is this good practice or should we use the int primitive data type? Integer size = something.getFields().siz...
java - Which one to use, int or Integer - Stack Overflow
May 11, 2017 · In this data transfer object, I need to declare a numeric field. For that which one is better - int or Integer If I am defining the field as Integer, will there be any performance impact …
java - Difference between int and Integer - Stack Overflow
May 19, 2016 · An Integer is a Java object that wraps an int in a Class with lots of nice/helpful methods that can be called to work with that backing int hidden inside. This is the same with …
java - Comparing performance of int and Integer - Stack Overflow
Which one is best in programming—int or Integer? Especially whenever both are doing the same task. I am writing an application in Java. In most of the places of primitive data types, I use int; …
java - Integer vs int: with regard to memory - Stack Overflow
Dec 7, 2011 · In general, the heap memory used by a Java object in Hotspot consists of: an object header, consisting of a few bytes of "housekeeping" information; memory for primitive fields, …
Java: Integer equals vs. - Stack Overflow
As of Java 1.5, you can pretty much interchange Integer with int in many situations. However, I found a potential defect in my code that surprised me a bit. The following code: Integer cdiCt = ....
What is the difference between an int and an Integer in Java and …
Aug 3, 2008 · In Java, the 'int' type is a primitive, whereas the 'Integer' type is an object. In C#, the 'int' type is the same as System.Int32 and is a value type (ie more like the java 'int'). An integer …
java - Long vs Integer, long vs int, what to use and when ... - Stack ...
May 2, 2011 · Java.util.collections methods usually use the boxed (Object -wrapped) versions, because they need to work for any Object, and a primitive type, like int or long, is not an …
int vs Integer comparison Java - Stack Overflow
Aug 26, 2013 · int vs Integer comparison Java [duplicate] Asked 12 years, 3 months ago Modified 8 years, 11 months ago Viewed 93k times