包含标签：Java 的文章
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Java – allows users to enter only positive integers (no decimals or strings)?
I know how to ask users to enter positive integers, but I don't know how to handle code to avoid input errors, such as…… -
Java – why can’t static and default interface methods be synchronized but can be strictfp?
See English answers > what is the reason why "synchronized" is not allowed in Java 8 interface methods? 1 People sa…… -
Advanced array sorting / rearranging in Java
So I have an array with the following theoretical values: int[] elements = {A1,A2,B1,B2,A3,A4,B3,B4,C1,C2,D1,D2,C3,C4,…… -
Java – some absolute methods on ByteBuffer are missing
Maybe I will solve this problem in the wrong way, but I lack some absolute put methods on ByteBuffer If you look at By…… -
The PowerShell process hangs when invoked from a Java application
I'm trying to write a simple application that accepts command line arguments (which will be a power shell PS1 file) an…… -
Rest – authentication / authorization in jax-rs using interceptors and injection
I am using wildfly 8 to develop a new application in Java EE 7 I am using Jax - rs to provide a restful service interf…… -
Javadoc for private methods (BlueJ)
I'm using BlueJ and I want to generate Javadoc for the whole project Solution This link indicates that BlueJ will only…… -
Java – you cannot publish anything on LinkedIn using linkedin-j
First of all, my problem is that I can't post any web updates, share or ID invitations I always get the following exce…… -
Java – is there a lightweight markup language library for Android?
Suppose I want to render / render text transmitted in some lightweight markup language Are there any existing Android …… -
Java gets the exception name only if there is no stacktrace
How do I get the exception name without getting the stack trace? I'm using exception Tostring() converts the thrown ex…… -
Java – how does JCA / JCE and pkcs#11 work together?
I want to use HSM (hardware security module) to create an XML file signature I've done some research, but now I'm a li…… -
How to solve module info in jdk9 / java-9 Java compilation error
I tried to run under code using jdk-9, but I encountered a problem compiling with the command command javac -d mods .\…… -
Why doesn’t Java 9 simply convert all jars on the classpath to automatic modules?
To understand our categories: >Platform explicit module > Application explicit module > open module > auto…… -
Round Java float parseFloat
Given the following code, I want it to return "float = 32000.0001" Instead, it returns "float = 32000.0" System.out.pr…… -
How does Java initialize the JAXB / Jax WS / etc implementation?
I just want to know how Java includes standard reference implementations (such as JAXB / jax-ws in jre6) in JRE, while…… -
Java – why is this code applicable to this TopCoder problem?
I've been trying to think about this TopCoder problem from hours, and I can't find a perfect solution, and I find that…… -
Java – is it safe to share exception instances
We are making a system similar to excel When we open the document and find an unsupported function, we throw an except…… -
Java – Maven dependency for project level self placed jars
I created a Java class and converted it into a jar file So I want to use the jar files I put at the project level, suc…… -
Java – passes data to another fragment through the slider view with no buttons
Can I transfer data from clip to clip by sliding? Many articles teach us how to pass data from fragment to fragment, b…… -
Magic digital sonar violation on JPA annotation
We are using sonar to manage our code quality I have problems with the violation of "magic number" in JPA notes, such …… -
Java – insert column labels into PivotTables using Apache POI?
I created a PivotTable using Apache POI 3.11 like this: FileInputStream file = new FileInputStream(new File(path+fname…… -
Java – embedded jetty 9
I don't understand how I can rewrite the code for jetty 6: import org.mortbay.jetty.*; import org.mortbay.jetty.nio.Se…… -
Java – data input stream required
What's the difference? FileInputStream fstream = new FileInputStream ("file1.txt"); BufferedReader br = new BufferedRe…… -
Follow the JavaFX MySQL connection example
Anyone can give me an example of a class connecting JavaFX and mysql. I don't want the main class. There is one. I jus…… -
Java – what is the best way to count and sort string arrays?
I try to find out whether there is a good search method (counting the number of occurrences), and then sort a string a…… -
Java scanner entry key
I use Java programming How do I use java to do this I was told that this could be done using a scanner or a buffered i…… -
Java – how do I avoid closing the InputStream passed to my method wrapped in the reader stream?
I'm creating a Java method that accepts a single InputStream as a parameter To facilitate the use of character based s…… -
Java – HQL – paginated row identifier
Does anyone know if HQL has keywords to identify rows such as ROWID or rownum? I want to implement paging with HQL, bu…… -
Java – extended server_ Name (SNI extension) is not jdk1 8.0, but jdk1.0 7.0 sent
I have implemented a jax-ws client using Apache CXF (v3.0.4) and everything works normally, but there is a problem whe…… -
Java – how to get HttpServletRequest in HttpSessionListener?
How do I access request headers from sessionlistener? I need to set a timeout when creating the current session The ti…… -
Java – jvisualvm for Linux console?
I need to be able to do some memory sampling on a VM running on a Linux machine that is not running any x windows I tr……