autoboxing
Why doesn't autoboxing overrule varargs when using method overloading in Java 7?
We have a class LogManager in our Java project which looks like this: public class LogManager { public void log(Level logLevel, Object... args) {[详细]
2023-04-12 00:31 分类：问答How to match classes of "boolean" types and "Boolean" types?
Consider the following code: object U { def foo(s:String) = true } val boolType = Class.forName(\"java.lang.Boolean\")[详细]
2023-04-11 20:39 分类：问答NullPointerException when assigning numbers
There is a strange thing happening when I execute the following code: 开发者_JAVA百科private void doStuff(Long inLong) {[详细]
2023-04-02 21:47 分类：问答Why can Integer and int be used interchangably?
I am confused as to why Integer and int can be 开发者_如何转开发used interchangeably in Java even though one is a primitive type and the other is an object?[详细]
2023-03-29 01:21 分类：问答Why can the as operator be used with Nullable<T>?
According to the documentation of the as operator, as \"is used to perform certain types of conversions between compatible reference types\".Since Nullable is actually a value type, I would expect as[详细]
2023-03-28 20:25 分类：问答Why not auto-box Java primitive types for Generics?
Java does not allow primitive types to be used in generic data structures. E.g. ArrayList<int> is not allowed. The reason is, primitive types can not be directly converted to Object. However Jav[详细]
2023-03-28 03:34 分类：问答Numeric promotion and equality? [duplicate]
This question already has answers here: Closed 11 years ago. Possible Duplicate: Wrapper class and == operator[详细]
2023-03-25 19:10 分类：问答Avoiding boxing by passing in single element primitive array
I\'m working with an interface that takes type Object as its input.This is unfortunate for me as I have primitive data that I sometimes need to pass in through the interface.This of course forces me t[详细]
2023-03-25 17:59 分类：问答Is using an arraylist of Tuple(double,int,int) slower than two arraylists
Is using an arraylist of Tuple(double,int,int) slower than three separate arraylists? I want to avoid creating lots of Tuple objects, bu开发者_如何学Pythont does method 2 create objects by autoboxing?[详细]
2023-03-24 03:06 分类：问答Faulty behavior in Java in conditional expression
A simple expression: Object val = true ? 1l : 0.5; What type is val? Well, logically, val should be a Long object with value 1. But Java thinks that val is a Double with value 1.0.[详细]
2023-03-16 08:59 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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