包含标签：Java 的文章
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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…… -
Java-8 – how to skip from files Lines gets the even number of rows of the stream
In this case, there are only odd rows of meaningful data, and there are no characters that uniquely identify these row…… -
How to implement generic functions in Java?
According to my understanding, the following generic functions in Java: public static <T> T f(T x) { Integer[…… -
Why is there no index in the Java 8 stream?
I want to know about Java 8 streams (stream < E >), which have the following methods: > forEach(Consumer<…… -
Java – NetBeans and external configuration files
I am developing a java desktop application and want to have an external configuration file Solution You can add it to …… -
Java – appengine gzip compression
I'm trying to gzip response from gae server, but I received null in content encoding I have the following code: connec…… -
java – Window,Document vs. $wnd,$doc
I know that the following is some of the same in GWT: Window and $wnd Document and $doc Is there any difference except…… -
Java – how to merge in jgit?
How do I merge in J git? Suppose I want to merge master with foo branch, what should I do? Solution To merge, you can …… -
JUnit ant task – JUnit task not found
I'm trying to build from my ant Run JUnit test from the. XML file I read here, you can use JUnit Jar file instead of u…… -
Java – rock material look and feel Download
Where can I download material L & F for swing? Solution Incredibly malicious Java Net transformation has discarded…… -
Java – setter method in constructor
Get a problem I have public class Student{ private String studentNumber; private String studentName; pr…… -
How to evaluate the next statement when null is returned in Java?
How do I execute the following JavaScript code in Java? var result = getA() || getB() || getC() || 'all of them were u…… -
Java noclassdeffound error
I'm trying to run a basic hibernate program I try Google 'ing it and include the following jar files in my classpath: …… -
Java – amazing output of try / catch / finally?
See English answers > behavior of return statement in catch and finally 6 public static void main(String[] args) { …… -
java – String. How does Intern () work and how does it affect the string pool?
As we know, string() The intern () method adds a string value to the string pool if it does not already exist If it ex…… -
Java benchmarking tool
I wrote a small java application. I need to get performance indicators, such as memory utilization, running time, etc …… -
Binding – JavaFX passes FX: ID to the controller or parameter in the fxml onAction method
Is there a way to pass parameters to the onAction method in the fxml file? Or can I get the FX: ID of the component th…… -
What is a form loading event handler in Java?
Event handlers in Java (using network beans) are similar to from in c#_ Load？ Solution If you are using swing's JFram…… -
Java – how to create a test environment for multithreaded applications
All, Recently I developed a code, which is said to be a thread safe class Now I say 'so-called' because even after usi…… -
Java – JUnit external resource @ rule order
I want to use multiple external resources in my test class, but I have a problem sorting external resources This is a …… -
Java – log4j conversionpattern timestamp in microseconds
I want to add microseconds to the timestamp of each entry in the log file generated by log4j. Is it possible? I search……