包含标签：Java 的文章
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Java – use generics to implement common methods in abstract classes
Suppose I have this hierarchy: public abstract class AbstractEntity implements Cloneable { ... public Abstract…… -
How to create a directory in the current working directory in Java
What is the simplest way to create a directory called "foo" in the current working directory of my java application (i…… -
Java – API retry logic in Amazon Web Services
http://docs.aws.amazon.com/general/latest/gr/api-retries.html This document mentions that "each AWS SDK implements aut…… -
Help use Horner’s rules and hash functions in Java?
I'm trying to convert words to integers using Horner's rules I understand how it works. If the word is long, it may ca…… -
Java import class system
I have a question about class import. If you import a class, you seem to be able to call a method with a reduced line …… -
Java – how to add a gap at the edge of a JButton?
I want to keep the default borders on my jbuttons, but also put a blank area around them I'm using vertical @ r_ 518_ …… -
Java – find the next occurrence of the day of the week in jsr-310
Given a jsr-310 object, such as localdate, how can I find the date of the next Wednesday (or any other day of the week…… -
Filtering lists using java 8 lambda expressions
I have a project class: class Project { List<Name> names; int year; public List<Name> getNames…… -
Java – monitoring dbcp2 connection pools using JMX
I read from the dbcp2 documentation that this new version supports JMX monitoring of connection pools, but I can't fin…… -
Java – use another list to sort the list
Can the Java collections sorting method be used with a comparator because it sorts one list to sort another by the ind…… -
Java 8: why does the functional interface in Java 8 have an abstract method?
As we know in Java 8, new concepts and functional interfaces are introduced The function interface has an abstract met…… -
Java – displays JPA SQL statements when using play framework 2
I am developing a web application using play framework and JPA / hibernate For debugging purposes, I'm glad to see the…… -
Java simple telnet client using socket
I have read a lot about this topic. Telnet is a protocol, not a simple socket connection, waiting for line breaks, usi…… -
Java – text editor with syntax highlighting and line numbers?
This is a bit of a challenge for a team project, let alone a single person implementation, but I tried to use jeditorp…… -
Is there any reason to implement Java for other types util. Comparable？
Classes that implement comparable < T > usually implement it for themselves, such as class MyInteger implements …… -
How to get webelement text using selenium
See the following elements: <div class="success"><button class="close" data-dismiss="alert" type="button">…… -
java. sql. Sqlexception: no suitable driver found
I tried to use the following dbquery The Java class performs a simple query, which uses the dbconnector to obtain a co…… -
How do I skip the first line of CSV in Java?
I want to skip the first line and use the second line as the title I am using the classes in Apache commons CSV to pro…… -
Image processing – how to multiply the spectra of two different dimensional images?
This is not a programming problem But I'm sure this is something widely known and understood in this community I have …… -
When using JSF primefaces, in Java Unreadable property on lang.string type
I'm trying to use the demo code in the site to implement deferred loading data in the data table PrimeFaces Lazy loadi…… -
Multithreading – OO design pattern for multithreading synchronization
Is there any generalization of objects and data and thread interactions for a given design pattern name? Obviously, sy…… -
“No select item” on JavaFX combo box?
stay Combo@R_705_2419 @What is the correct way to place items with null values in? Exception in thread "JavaFX Applica…… -
Java – restrict access to spring MVC controller – N sessions at a time
We have licensed commercial products (unimportant products in this case), which is limited by the number of concurrent…… -
Java – how to dynamically set rowheight in JTable
I want to place a string in a JTable that is longer than the given cell width import javax.swing.*; public class Exam…… -
Time complexity of Java Pascal triangle algorithm
Responsible for solving the following problems (Pascal triangle), which looks like this [ [1],[1,1],2,3,4,6,1] ] …… -
Java class comparator?
I want to compare two Java classes class ClassComparator implements Comparator<Class> { @Override public…… -
How to use JfreeChart to display dates on the X axis of a line chart
I tried to display the line chart with time (HH: mm: SS) as X axis and number (as y axis) for (Row row : sheet) { …… -
Java – programmatically resolve Maven dependencies outside the plug-in – get the repository systemsession and repository system
Maybe this will be a bigger task than I thought at first, but no matter I try to load a maven project from a file and …… -
Java – how to create a wicket URL that hides its parameters?
I am currently creating a set of links with the following code: BookmarkablePageLink<CheeseMain> havarti = n…… -
java – JNI. How to get jstring from jobobject and convert it to char*
This is what I have done so far: JNIEXPORT jint JNICALL Java_Tier3_NativeMethods_totalPalletsIn( jnienv *e…… -
Java – why is static final slower than new at each iteration
Why is code snippet 14 times slower than code snippet B? Code snippet A: import java.awt.geom.RoundRectangle2D; publi…… -
Java – how to use order in HQL?
I want to execute my HQL query like this: Query queryPayment=sixSession.createQuery("from Payment where vcode=:p_Vcode……