Java
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Java – how do I configure the findbugs Maven plug-in to check only annotation violations such as @ nonnull?
I have implemented the answer to this question, so @ nonnull violation makes the build fail But the problem is, this i…… -
Java practice: returns the same object passed as a parameter
In the following code, isn't it bad that updatewithcontext returns an object with the same parameters? class SomeClass…… -
The problem of “while” in Java
I'm trying a few exercises in the Java programming book I have the following code: import java.io.*; import java.util.…… -
Java – why list Sort does not use the optional API
Java 8 introduces a new default method on the list interface to sort it Its signature is: void sort(Comparator<? su…… -
Java – buffered vs. unbuffered, which one is used?
Sorry, if this is repeated, but I can't find the exact answer to each type of best practice I want to know what is the…… -
Java – does FileInputStream already use buffers?
When I use FileInputStream to read an object (such as a few bytes), does the underlying operation involve: 1) Read the…… -
Java – spring 4 websocket remote proxy configuration
I managed to create a simple web socket application with spring 4 and stomp Please refer to my previous question here …… -
Java – start H2 database programmatically
I am writing a server - client application in Java. I need to implement a local database on the server. I decided to u…… -
Java – which data type or data structure to choose to calculate the factorial of 100?
I want to write a program to evaluate the factorial of a given integer The following basics I wrote the following code…… -
Is OOP – ORM a unique problem in object-oriented programming?
Object relational mapping (ORM) is a problem that must be solved in all applications that implement and use relational…… -
Java Sevlet Mapping. Welcome file list
On my web In the XML file, I have this <!-- WELCOME FILE LIST --> <welcome-file-list> <welcome-file…… -
Java – how many objects are created
I'm discussing how to use strings and stringbuffers in Java How many objects were created in each of these two example…… -
Java – how to put hover effect on JButton?
I'm trying to create a java desktop application. I use two buttons I want to add a hover effect to these buttons I thi…… -
Iterate over all byte values – 128-127 without Java casting
I need to traverse all byte values (- 128 to 127, including endpoints) I can use an int iterator, but I have to conver…… -
Java – Sax parsing and coding
One of my contacts encountered Sax problems parsing RSS and atom files According to him, it's like text from an item e…… -
How to convert a Java Date object to a jruby time object?
Using J ruby, is there a good way to convert Java date objects to jruby time objects? I'm using the latest version of …… -
Java – window builder Pro not found in eclipse indigo
I read that eclipse indigo installed the window builder Pro plug-in, but I can't see where it is File / new / project …… -
Java – error “unable to install project facet” when creating project?
I got the project from the repository, and according to the setup instructions, I tried to create a project in eclipse…… -
Java – how to dynamically calculate the color list?
In order to represent the object list with different colors in GWT widget, we need to dynamically obtain the color lis…… -
Java – why do static members make the language not object-oriented?
I'm learning Scala. I came across this statement in odersky's programming Scala Second Edition: I don't have enough ex…… -
JSF 2.0: verify the equality of two inputsecret fields (confirm password) without writing code?
I am using JSF 2.0 and GlassFish to develop pure Java EE 6 applications I want to verify whether the values of the two…… -
Java – can I access interfaces only in the same package and sub package?
Can I access interfaces only in the same package and sub package? I have defined an interface using the default modifi…… -
Arm64: ldxr / stxr and ldaxr / stlxr
On IOS, there are two similar functions, osatomicadd32 and osatomicadd32barrier I want to know when you need the barri…… -
Java generics and addall methods
Addall (..) in Java collection What is the correct parameter type for the method? If I do something like this: List<…… -
Java – GVM is always offline
I'm trying to install gradle through the GVM command '$GVM I gradle', but I received a message in offline mode ➜ ~ ➜ …… -
Java – sets the column width of JTable by percentage
I need to assign a fixed width to several columns of JTable, and then assign an equal width to all other columns Suppo…… -
Java – finds and counts specific words in a text file
Can someone help me with the code? For example, test txt： hi hola hey hi bye hoola hi If I want to know in test Txt h…… -
Java – what is the difference between T and T in the return type of a method?
I have a way, like this, public <T> T doSomething(Class<T> T) { return T.newInstance(); } I can do it like…… -
If I don’t know any of the frameworks involved, what methods should I use to understand large J2EE applications?
I started working in my company five or six years ago as a junior java developer. I started some J2EE programming usin…… -
Java – how to iterate over a Multimap in insertion order?
Using guava from Google, http://code.google.com/p/guava-libraries/wiki/NewCollectionTypesExplained New series How do I…… -
Java – FreeMarker – remove commas from milliseconds
Using FreeMarker, I want to display the date in milliseconds: ${mydate?long} But I get a comma separated millisecond a…… -
The Java – Weblogic management console is too slow
I have installed Weblogic 10.3 3. A simple domain is configured using the default configuration After starting Weblogi……