Java 归档 - Page 343 of 655

Distinguish between single click and double click in Java

I searched the forum and saw this Code: public void mouseClicked(MouseEvent e) { if (e.getClickCount() == ……

Java

2020-01-27

Java – how to set null to integer in spring context

This is only a small part of my background: <property name="a" value="1"/> where a is Integer. How do I set null……

Java

2020-01-27

java. time：DateTimeParseException for date“20150901023302166”

See English answer > is Java time failing to parse fraction-of-second? two LocalDateTime.parse("20150901023302166",……

Java

2020-01-27

Java – how to deserialize JSON arrays using gson

I want to use gson to deserialize a JSON array I tried to do it, but I couldn't JSON array: [ {"ID":1,"Title":"Lio……

Java

2020-01-27

Java – processing the file name * parameter with spaces through RFC 5987, resulting in “in the file name”

I have some legacy code I'm working on (so I can't just use the URL with the encoded file name component), allowing us……

Java

2020-01-27

Can Java applets use printers?

Java applet can easily print text / HTML to standard printer drivers (all common platforms win / MAC / Linux)? Do you ……

Java

2020-01-27

Java – reverse method reverses the elements of the queue

This is not a hardware or task This is something I practice myself Given a queue, write a reverse method to reverse th……

Java

2020-01-27

Java – JScrollPane resizes with variable size content

The contents of my resizable JScrollPane have a minimum width If the JScrollPane is less than this width, a horizontal……

Java

2020-01-27

Why can’t the Java 7 and eclipse 3.8 compilers compile JDK code with the new Java 7 Diamond operator?

import java.util.*; import java.util.*; public class SimpleArrays { @SafeVarargs public static <T> List<……

Java

2020-01-27

Java – create multiple threads using a for loop

I'm trying to create multiple threads, the number of which depends on the command line input I know that extending thr……

Java

2020-01-27

Java – why did my string to string comparison fail?

I have an Android application. I want to check whether the installed application name matches the string passed to the……

Java

2020-01-27

Java – how to make spring cache store ResponseBody instead of intermediate object

I use spring cache and this method to return the query value as JSON: @RequestMapping("/getById") @ResponseBody @Cache……

Java

2020-01-27

Java – JMX: how to prevent classloader memory leakage in servlet container?

I want to know whether or how to handle MBeans registered directly or indirectly from applications deployed on servlet……

Java

2020-01-27

JSF – how to handle multiple submissions before rendering the response?

According to the test report, if the response speed is not fast enough, we may press a button many times, resulting in……

Java

2020-01-27

Java – understanding managed beans / backing beans

See the English answer > difference between managed bean and backing bean11 I have some trouble, understand correct……

Java

2020-01-27

Ignore attributes when deserializing Jackson JSON in Java

In the example Class Person{ String name; int age; } If the JSON object is missing the attribute "age", { name……

Java

2020-01-27

Java relative file path

I have a Java problem that I've been having trouble with: what's a good way to indicate relative file paths Let me be ……

Java

2020-01-27

How does the JavaFX gridpane layout set margins for elements in rows?

I am using the gridpane layout to locate the content in the application I want to know how to set margins for elements……

Java

2020-01-27

Java – should data sources be defined in the application or application server?

I have developed applications for two different teams (running on the JBoss server) One team has a data source configu……

Java

2020-01-27

Java – the SWT browser focuses on the next and previous highlighted text

I am developing a small application with SWT browser widget I'm emphasizing a search text <a id="xyz" href=''>&l……

Java

2020-01-27

Java – display animation BG in swing

Animated (looped) gifs can be displayed in jlabel or HTML (formatted text components, such as jeditorpane) and seen lo……

Java

2020-01-27

Java – is there a way to force checkstyle to ignore specific warnings in the source code?

See the English answer > how to disable a particular checkstyle rule for a particular line of code? 5 Does checksty……

Java

2020-01-27

Java – combined code generation using eclipse

Effective Java and other sources suggest that we should consider using composition over inheritance I often find mysel……

Java

2020-01-27

Distinguish between single click and double click in Java

I searched the forum and saw this Code: public void mouseClicked(MouseEvent e) { if (e.getClickCount() == ……

Java

2020-01-27

An incompatible type error occurred while using code generated from the kotlin data class

If I decompile the data generated by the data class state Class file (Val B: List < array < int > >), then……

Java

2020-01-27

Java – memory exception analysis hprof file dump

This is related to this problem java. lang.OutOfMemoryError at android. graphics. BitmapFactory. nativeDecodeAsset(Nat……

Java

2020-01-27

Java – the problem of deleting cookies in servlets

I try to use this code to delete cookies in the servlet Cookie minIdCookie = null; for (Cookie c : req.getCookies()) ……

Java

2020-01-27

What are the benefits of Java – lambda expressions for multi-core systems?

Java tutorials of lambda expressions say: My question is, according to multi-core systems and parallel / parallel prog……

Java

2020-01-27

Java – combining jax-rs and jax-ws

Is there a framework, library or technology that combines jax-rs and jax-ws (or equivalent) into a composite service, ……

Java

2020-01-27

Implement Java util. Random. nextInt

This function is Java util. Random. It returns a pseudo-random int evenly distributed between 0 and a given n. unfortu……

Java

2020-01-27

Maximize Java heap space

I try to use a very large square matrix in Java, n = 1e6 or greater Matrices are not sparse, so I don't see many ways ……

Java

2020-01-27

Best practices for dealing with memory leaks in large Java projects?

In almost all of the larger Java projects I've worked on, I've noticed that the quality of service of the application ……

Java

2020-01-27

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Distinguish between single click and double click in Java

Java – how to set null to integer in spring context

java. time：DateTimeParseException for date“20150901023302166”

Java – how to deserialize JSON arrays using gson

Java – processing the file name * parameter with spaces through RFC 5987, resulting in “in the file name”

Can Java applets use printers?

Java – reverse method reverses the elements of the queue

Java – JScrollPane resizes with variable size content

Why can’t the Java 7 and eclipse 3.8 compilers compile JDK code with the new Java 7 Diamond operator?

Java – create multiple threads using a for loop

Java – why did my string to string comparison fail?

Java – how to make spring cache store ResponseBody instead of intermediate object

Java – JMX: how to prevent classloader memory leakage in servlet container?

JSF – how to handle multiple submissions before rendering the response?

Java – understanding managed beans / backing beans

Ignore attributes when deserializing Jackson JSON in Java

Java relative file path

How does the JavaFX gridpane layout set margins for elements in rows?

Java – should data sources be defined in the application or application server?

Java – the SWT browser focuses on the next and previous highlighted text

Java – display animation BG in swing

Java – is there a way to force checkstyle to ignore specific warnings in the source code?

Java – combined code generation using eclipse

Distinguish between single click and double click in Java

An incompatible type error occurred while using code generated from the kotlin data class

Java – memory exception analysis hprof file dump

Java – the problem of deleting cookies in servlets

What are the benefits of Java – lambda expressions for multi-core systems?

Java – combining jax-rs and jax-ws

Implement Java util. Random. nextInt

Maximize Java heap space

Best practices for dealing with memory leaks in large Java projects?

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