包含标签：Java 的文章
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Java – abstract classes and interfaces together?
I have some code, some of which are implementing an interface It feels right, but there is a bit of repetition in chil…… -
Export excel file instance of Java data export function
Tables (reports) often need to be used in programming are mainly excel tables. The following is the method of writing …… -
Java converts object [] array to vector
What is the best way to convert an object array to a vector? JDE< 1.5 public Vector getListElements() { Vector my…… -
Java – creation of suffix array nlogn
I've been learning how to create suffix arrays. I understand that we first sort all suffixes according to the first ch…… -
How do I override methods in Java when I create objects through reflection?
In Java, can methods in classes created using reflection be overridden? For example, say I have the following classes:…… -
Java – serialize “Boolean” as “1” and “0” instead of “true” and “false”
No method was found in the Boolean class to serialize Boolean values to '1' and '0' instead of 'true' and 'false' Is t…… -
Graphic programmers must master 8 common sorting algorithms in Java
This article mainly introduces how Java implements eight common sorting algorithms: insert sort, bubble sort, select s…… -
Several steps of JDBC linking database
This article lists the four steps of JDBC linking database for your reference: JDBC: Java database access solution. Se…… -
Java – reader #lines() is very parallelized due to the non configurable batch size policy in its splicer
When the stream source is reader, I can't achieve good parallelization of stream processing Running the following code…… -
The Java implementation reads the file names of all files in the folder (including subdirectories)
In the process of programming, it is often used to read and write files. For example, find all the file names in a fol…… -
Java – arithmetic recursion
I am trying to write a code to calculate the following for a given integer n: 1/1 + 1/2 + 1/3 ... + 1/n This is the co…… -
Java uses deque to implement stack
This article illustrates how Java uses deque to implement stack. Share with you for your reference. The details are as…… -
Using type hints to return values in clojure
I'm developing some Java / clojure interoperability and found reflection warnings for the following code: (defn load-i…… -
Java – unexpected results of implementing simple motion blur in libgdx
In the attached two photos, the desktop screenshot function of libgdx is as expected Unfortunately, my Galaxy nexus sc…… -
Can the list passed to the function be modified by another thread in Java?
Integer getElement( List<Integer> list ) { Integer getElement( List<Integer> list ) { int i = Random.g…… -
Java – what settings do you need to make to use jsr-303 annotations in spring?
I downloaded spring 3 and put it on my classpath, but I couldn't import the @ valid annotation However, I can import o…… -
Java Web application initialization and shutdown
I try to initialize and close a webapp Including initialization and shutdown: > Hibernate(v3.6); > C3P0(v0.9.1.2…… -
Java – date that can be empty in FreeMarker
This is part of my freemaker template: ${order.needByDate?if_exists?date} I hope it works as follows: >If needbyda…… -
Java XPath: get all elements that match the query
I want to make an XPath query on this XML file (as shown below): <?xml version="1.0" encoding="UTF-8"?> <!-- …… -
How to start “main” in a new Java process?
The question is simple How do I start a main method in another java process? Now I do this: startOptions = new String[…… -
Java – create a custom 404 / 500 error page in the play framework
How to create a global custom to use play to view their 404 / 505 error page? Solution In play framework 1, you only n…… -
Java – no virtualmachineerror guarantee
I come from C In the C world, we pay attention to exception security and note that mutator can provide different guara…… -
Java – how to solve the problem that the current thread cannot find a session
I try to do the implementation of general Dao according to article Here is my genericdaoimpl class @SuppressWarnings("…… -
Writing a Russian PDF using the Java pdfbox Library
I'm using a named PDF@R_694_2419 @Java library, trying to write text to PDF It works for English text, but when I try …… -
Java: convert string date to month name year (MMM yyyy)
I'm new to Java I am trying to convert the date from string to MMM yyyy format (March 2016) I tried this Calendar cal=…… -
Hindley Milner algorithm in Java
I'm writing a system based on simple data flow (imagine it like a LabVIEW editor / runtime written in Java) Users can …… -
Is it acceptable in Java to use thread #stop() to kill a running thread?
Unfortunately, you cannot specify a timeout when using regular expressions for strings in Java Therefore, if you don't…… -
Java: write large files?
to greet, I am currently using bufferedwriter BufferedWriter mbrWriter=new BufferedWriter(new FileWriter(memberCSV)); …… -
Java – Subversion: errors in previous versions
I like subversion's blame action (it shows the submission of the last change to each line in the source file) Alas, we…… -
Using generic type security in Java
I encountered generic behavior in Java and I didn't understand it at all (using my. Net background) public class TestG…… -
How to use Java annotations to modify the source code before final compilation?
From the apt tool page, I can create annotation processors to generate new derived files (source files, class files, d…… -
Java – how to use a jobobject array? (JNI)
Actually, I call a C function: What I want to do is get the value of the original object Considering the Java code dec……