LxLxBlog

Application of Java this

package java04; public class DemoPersom2 { public static void main(String[] args) { Person2 person = ……

Java

2020-09-17

How to convert Java result sets to JSON?

I used the MySQL query of JDBC connector to get a result set So my job is to convert the result set to JSON format So ……

Java

2020-09-15

Java – algorithm of 2D ray tracker

I want to write a programmed raytracer in Java for presentation purposes and give a general ray tracing presentation (……

Java

2020-09-15

Java – how to insert objects in an ArrayList at a specific location

Suppose I have an ArrayList of an object of size n Now I want to insert another object at a specific location, assumin……

Java

2020-09-15

Java – use jinternalframe and some buttons

Can we use jinternalfame with buttons in the main frame? Of course, the framework contains jdesktopane How about this ……

Java

2020-09-15

Java keylistener and keybinding

I want to write a calculator and have a problem I have created an action listener for all buttons, and now I want to b……

Java

2020-09-15

Java – face recognition API

Using Java and Android, I tried to find a way to recognize faces with a given picture of the camera Any ideas? Does an……

Java

2020-09-15

Java – sort rows by column in JTable

When you click a column heading on JTable, it sorts the rows alphabetically This applies to all my columns except one ……

Java

2020-09-15

Java – hibernate sequence does not exist

I tried to upgrade hibernate from 4 to 5.0 in my project using spring version 4.2 After upgrading, when I call the upd……

Java

2020-09-15

Multithreading – JavaFX uses threads and GUI

There was a problem using JavaFX and threads Basically, I have two choices: use tasks or platform runLater. As far as ……

Java

2020-09-15

Java – does the return value break the loop?

I'm writing some code that basically follows the following format: public static boolean isIncluded(E element) { N……

Java

2020-09-15

Java – how do I call the wait () and notify () methods on non threaded objects?

How do I call the wait () and notify () methods on an object that is not a thread? That really doesn't make sense, doe……

Java

2020-09-15

Copy text to clipboard using java

I want to copy text from JTable cells to the clipboard so that it can be pasted into other programs, such as Microsoft……

Java

2020-09-15

Java – how to read PDF stream in angularjs

I get the following PDF stream from the server: How do I read this stream in angularjs? I try to open it as a PDF file……

Java

2020-09-15

Java – is there a way to run methods / classes only when Tomcat / wildfly / GlassFish starts?

I need to delete the temporary files during Tomcat startup and transfer them to the folder containing the temporary fi……

Java

2020-09-15

Java – play multiple sound clips using clip objects

I'm developing a program that contains a large number of JButton objects. I hope each object has its own Wav file In a……

Java

2020-09-15

Implementation of Java JDBC interface

In JDBC, in order to connect and execute statements in dB, we mainly use connection, statement and resultset as interf……

Java

2020-09-15

Java – error: unable to find or load the main class in the IntelliJ ide

I'm a beginner in Java. I'm trying to run my code using IntelliJ. I just installed JDJ 1.7 as my ide The following cod……

Java

2020-09-15

Erlang processes and Java threads

I'm reading "elixir in action" book by SA š a Juri ć, And in the first chapter: Isn't that true for Java threads? I me……

Java

2020-09-15

How to add shortcut keys to JButton in Java?

I have a JButton and I want to assign a shortcut to it Just like I press delete it on the keyboard, just click JButton……

Java

2020-09-15

Java – how do I get the start and end ranges from the timestamp list?

I have such a timestamp string: 2016-01-14T22:43:55Z 2016-01-15T00:04:50Z 2016-01-15T00:44:59+08:30 2016-01-15T01:25:3……

Java

2020-09-15

Java – minimize the jinternal framework without clicking a button

Is there any way to minimize / maximize jinternalframe without clicking the minimize / maximize button in the upper ri……

Java

2020-09-15

Java – Android gets the date 7 days ago (one week)

How to get the date in android in this format within the previous week: SimpleDateFormat dateFormat = new SimpleDateFo……

Java

2020-09-15

Java – remove duplicate values from ArrayList

I have a string ArrayList in which I add some duplicate values I just want to delete duplicate values, so how to delet……

Java

2020-09-15

Java – Android flood filling algorithm

Who knows an iterative and effective flood filling algorithm? Or is there a way to implement recursive filling algorit……

Java

2020-09-15

Java – swingworker is in the done method of another swingworker

First, I need to inform you that I'm trying to learn how to write code in Java It's a little difficult, but I believe ……

Java

2020-09-15

Java – move jlabel to another jlabel GUI

I'm trying to move jlabel to another jlabel, and now only one timer works It should run like a train through the track……

Java

2020-09-15

What is the purpose of using java layout manager?

It seems that whenever I try to create a program, I always use setlayout (null); Commands in Java because I like to ab……

Java

2020-09-15

Java – Hibernate: myinterceptor #onflushdirty will never be called

Question: why never call myinterceptor #onflushdirty? I extend abstractentitymanagerfactorybean in XML configuration &……

Java

2020-09-15

Java – unable to get okhttp’s response body. Tostring() to return a string

I'm trying to get some JSON data using okhttp, and I can't figure out why when I try to record response body(). The re……

Java

2020-09-15

Java – abnormal behavior of the zoom in and zoom out function of JfreeChart?

I observed that the functions of "zoom in" and "zoom out" were completely different from those expected For example, w……

Java

2020-09-15

Java – attach a single action listener to all buttons

I have a program with many buttons, all of which will perform the same function I wonder if there is a way to attach a……

Java

2020-09-15

搜索内容

Application of Java this

How to convert Java result sets to JSON?

Java – algorithm of 2D ray tracker

Java – how to insert objects in an ArrayList at a specific location

Java – use jinternalframe and some buttons

Java keylistener and keybinding

Java – face recognition API

Java – sort rows by column in JTable

Java – hibernate sequence does not exist

Multithreading – JavaFX uses threads and GUI

Java – does the return value break the loop?

Java – how do I call the wait () and notify () methods on non threaded objects?

Copy text to clipboard using java

Java – how to read PDF stream in angularjs

Java – is there a way to run methods / classes only when Tomcat / wildfly / GlassFish starts?

Java – play multiple sound clips using clip objects

Implementation of Java JDBC interface

Java – error: unable to find or load the main class in the IntelliJ ide

Erlang processes and Java threads

How to add shortcut keys to JButton in Java?

Java – how do I get the start and end ranges from the timestamp list?

Java – minimize the jinternal framework without clicking a button

Java – Android gets the date 7 days ago (one week)

Java – remove duplicate values from ArrayList

Java – Android flood filling algorithm

Java – swingworker is in the done method of another swingworker

Java – move jlabel to another jlabel GUI

What is the purpose of using java layout manager?

Java – Hibernate: myinterceptor #onflushdirty will never be called

Java – unable to get okhttp’s response body. Tostring() to return a string

Java – abnormal behavior of the zoom in and zoom out function of JfreeChart?

Java – attach a single action listener to all buttons

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