JAVA EE: Java Tutorial : Java Autoboxing and Unboxing

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Java Tutorial : Java Autoboxing and Unboxing

AutoBoxingDemo.java

public class AutoBoxingDemo
{

    public static void main(String[] args)
    {
        int intValue = 50;
        Integer integerObj = intValue;// Boxing
        System.out.println(integerObj);
        
        display(intValue); //Boxing
    }
    
    public static void display(Integer integerObj)
    {
        System.out.println(integerObj);
    }

}
Output

50
50

UnboxingDemo.java

public class UnboxingDemo
{
    public static void main(String[] args)
    {
        Integer integerObj = new Integer(100);
        int intValue = integerObj; // UnBoxing
        System.out.println(intValue);
        
        display(integerObj);//UnBoxing
    }

    public static void display(int intValue)
    {
        System.out.println(intValue);
    }
}