Imagine having an integer now I define a new variable and I want to cast it to the same type as aaa. ccc is a type and it's type integer but I c ...
I am working on some projects to better acclimate myself to C#. I have this code example below: I need to access the element at a specified key and ...
I want to create a simple way to create a matrix-like structure for users. This means that the user can define rows and columns. For now its looks lik ...
I know the first expression evaluates to false because these are two distinct Integer objects. I'm not sure why the second expression evaluates to tr ...
Given following method: If I call it and assign the return value to a variable like this: Will a Long object get generated and then converted to ...
On executing the above code I find below exception Exception in thread "main" java.lang.NullPointerException but if place an Integer in the place i ...
getting an error while unboxing in display function. boxing is done in product_demo constructor. one more question ; can we define boxing outside an ...
I know what's boxing/unboxing, but not quite sure how it is implemented internally, let's say we have the following code: and below is a general de ...
According to the Java Tutorial, the Converting an object of a wrapper type (Integer) to its corresponding primitive (int) value is called unboxing ...
I am seeing this warning after updating my project to the latest 30 (buildToolsVersion "30.0.2"). How to resolve this warning? onRequestPermissionsRe ...
I am unable to figure out where the boxed value is unboxed and again reboxed in below sample piece of code. Can some one pls help me in fixing this so ...
Why the following code throws ArrayStoreException on line 3: Unboxing should be performed here from Integer to int but it doesn't. ...
This code produces a Lint warning Unboxing of 'map.get(key)' may produce 'NullPointerException' This warning can be fixed by checking for n ...
I'm trying to learn C# Boxing and Unboxing Concept. I filled the list of objects with integers and then I wanted to summarize them as result in consol ...
I am attempting to build a Dictionary that looks like this: The various Funcs that I want to put into it all have different return types. Note t ...
output: false true can someone explain why this example is valid? ...
How to avoid the boxing during the value type parameter passing in .NET? Is the use of the ref keyword is the only way? E.g. in this way: Or are t ...
How to modify the boxed value without creating a new object in C#? E.g. if I have object o = 5; and I want to change the value of the boxed 5 to 6, h ...
I have boxed tuple: How to obtain tuple from box? What is the right syntax to cast object back to tuple? My attempt: is obviously wrong: Er ...