Use Integer constructor to convert int primitive type to Integer object.

     

public class Main {

  public static void main(String[] args) {
    int i = 10;
    Integer intObj = new Integer(i);
    System.out.println(intObj);
  }
}

1.	Convert Java Integer object to Numeric primitive types
2.	Convert Java String to Integer object
3.	Create an Integer object
4.	Arithmetic Demo
5.	Max Variable Length Demo
6.	Data Type Print Test
7.	Tests all the operators on all the primitive data types
8.	Demonstrates the ++ and -- operators
9.	Literals
10.	Demonstrates the mathematical operators.
11.	Java lets you overflow
12.	Built in types
13.	Shows default initial values
14.	Relational Demo
15.	Parse Number
16.	Java Type Helper
17.	Convert the given array (which may be a primitive array) to an object array
18.	Convert primitive back and forth
19.	Returns a default value if the object passed is null
20.	A mutable boolean wrapper.
21.	A mutable byte wrapper.
22.	A mutable double wrapper.
23.	A mutable float wrapper.
24.	A mutable int wrapper.
25.	A mutable long wrapper.
26.	A mutable short wrapper.
27.	Primitive utilities

Use Integer constructor to convert int primitive type to Integer object. : Primitive Data Type « Data Type « Java

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