包含标签：Java 的文章
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Java – change the shape of the scatter point
I have thousands of points on JfreeChart's scatter chart //* I'm using shapeutilities, but when I use xyitemrenderer /…… -
Java – fileoutputstream: does the “close” method also call “flush”?
I really care about the flush and close methods In my code, I always close my fileoutputstream object But I want to kn…… -
Java – hibernate – forces container resource cleanup when a transaction completes
After several queries are executed, I get the following message from Hibernate: HHH000106: Forcing container resource …… -
Java – use Apache POI to thicken the entire line
I'm using Apache POI's HSSF workbook to write data into an Excel spreadsheet I want a whole line bold Can anyone sugge…… -
Download and write files using retrofit and rxjava
I'm downloading a modified PDF file. The way I download it is block I use the content range header to get a byte range…… -
Java array list problem
I have the following java code, int a[] = new int[] {20,30} ; List lis = Arrays.asList(a) ; System.out.print(lis.conta…… -
Java – how to disable echo when sending terminal commands using Apache commons net telnetclient
So, I have this class using org apache. commons. net. telnet. Telnetclient class It attempts to send a command and rea…… -
Java – what is dot casting?
In this Code: c = (char)(c - 'A' + 'a'); Why do we need a char? Is that foundry right? Suppose that C on the right sid…… -
Java – is it effective to handle runtimeexceptions in some cases?
As I have understood from several tutorials, runtimeexceptions should not actually be caught because they should revea…… -
Java – Android canvas does not draw path. When the point of path is not present
I encountered some problems with Android canvas when drawing the path canvas.drawPath(polyPath,borderPaint); I also ha…… -
Java – struts 2 “%” and “#” login to ognl
Can someone tell me how to use the "%" and "#" numbers in Struts2 ognl? I'm around Google, but I can't find any valuab…… -
Java – Android: the sampling microphone does not record to obtain real-time amplitude / level?
I'm trying to get the microphone amplitude level on Android: MediaRecorder recorder = new MediaRecorder(); recorder.se…… -
GUI architecture and design in Java (swing)
I spent the last few hours searching the Internet for examples and ideas on how to write medium-sized GUIs in Java I k…… -
Differences between Java and Hibernate types: Boolean, yes_ no,true_ false
When to use? What do they map in the database? Solution From Hibernate: -
Java – reflections illegalargumentexception reason
Update – make the problem clearer ClassCastException exception may be caused when calling a method through reflection?…… -
Java – how to check whether a key in a map starts with a given string value
I am looking for a way, such as: myMap.containsKeyStartingWith("abc"); // returns true if there's a key starting with …… -
Java – ImageView, why is it different in size?
First of all, I know many people have asked the same question, but the question is almost the same, but I have more qu…… -
Java lightweight soap Client Library
Can anyone recommend a good java open source library to build a simple soap web service client? I'm looking for someth…… -
Java – JAXB converts @ xmlelementrefs and @ xmlelements to XS: choice
I have four classes The person class, and the phone and address classes are used to extend its abstract contactinforma…… -
Java – how do I close a socket in the right way?
This is a simple TCP server How to close the socket when the program terminates? Anyone can figure out how to close a …… -
Java case insensitive regular expression matching does not match the letter Ñ
Consider this procedure: import java.util.regex.Pattern; public class xx { /* * Ñ * LATIN CAPITAL LET…… -
Async await – Babel eslint: typeerror: cannot read null property ‘range’
I use Babel eslint to decorate / fix my code It worked well until I wanted to use some es2017 async waiting to find ov…… -
How to use java to get user input in array?
How to get user input in array using Java? Solution This is a simple code to read strings from stdin, add them to list…… -
Java – detects the shift modifier on mouseevent, which is generated by clicking from swing
I am using java swing to process some mouseevents in GUI applications From now on, I analyze mouse events in the mouse…… -
Why is the result type of short integer division in Java not a simple integer?
Consider this Code: public class ShortDivision { public static void main(String[] args) { short i = 2; …… -
Java – unable to start active resource $notfoundexception
I have published and run an application on Google play for several months Today, I received an error from a user whose…… -
Java – find a combination of alphabetical and natural order (also known as user rational sorting)
I think it's easy to find premade, but it seems that any solution I find online can only solve part of the problem I w…… -
Java – Maven dependency error in eclipse
I have a war artifact that I need to use some of their classes from the jar <plugin> <artifactId>maven…… -
Java – mockito – I feel like I’m not making full use of its potential
When using mockito, I only use it to simulate dependencies, that is, my workflow looks like the following: I have a de…… -
Non blocking socket writing in Java is compared with blocking socket writing
Why does someone prefer to block writes and non blocking writes? My understanding is that if you want to ensure that t…… -
Java – how to add a text area on joptionpane
At present, I have a joptionpane When I click the button, I am executing the following line JOptionPane.showInputDialo…… -
Java – class as function parameter
I have a function to filter the list of some values. It uses instanseof to construct: public static List<View> g……