Java 归档 - Page 359 of 655

Creating too many threads in Java

I use threads in my java application to get data in parallel (using network calls) I have a method (not in the thread ……

Java

2020-01-15

Java print string c equivalent

See English answer > java reflection: how to get the name of a variable? 7 #define printVar(var) cout<<#var&l……

Java

2020-01-15

Unit testing – how to use JUnit and Hibernate effectively?

I want to use JUnit to test hibernate code, such as insert, update, delete Methods and transaction management But I do……

Java

2020-01-15

Java – Jersey 2 generates WADL schema using method parameters

I am using Jersey 2 and want to generate WADL architecture <resource path="/addItem"> <method id="addItem……

Java

2020-01-15

Java – only one parameter is required in Apache commons cli?

I just want to know if there is any method in the Apache commons cli library that specifies that a parameter must be p……

Java

2020-01-15

JavaFX stopwatch timer

This is a simple stopwatch class for JavaFX. Set the style of the label object as needed package aaa; import java.tex……

Java

2020-01-15

Java – there is a faster method, and then StringBuilder can connect strings in up to 9-10 steps?

I have this code to connect some array elements: StringBuilder sb = new StringBuilder(); private RatedMessage joinMess……

Java

2020-01-15

JPA – how do I change the eclipse link in glashfish 4.0?

I want to change eclipse link from 2.5.0 in glashfish 4.0 0 to 2.5 1. I have downloaded bundled downloaded and replace……

Java

2020-01-15

java. Lang.noclassdeffounderror: javax / mail / messagingexception unresolved

I'm trying to javax Mail jar was added to my classpath, but I received this error: java.lang.NoClassDefFoundError: jav……

Java

2020-01-15

VHDL: is there a convenient way to assign ASCII values to STD_ logic_ vector？

resolvent

Java

2020-01-15

Java – eclipse, jar export wrapper SVN file

How can I prevent this from happening? It is captured when I create the jar Files in the SVN folder Uncheck at the pro……

Java

2020-01-15

Set java system properties without putting values on the command line

I have some java code that depends on the system attribute super secret. password. I need to set this property when ru……

Java

2020-01-15

Java – how do I read / write raw hexadecimal bytes from I / O streams in Bluetooth chat?

I am developing an application based on Bluetooth chat sample code I need to be able to write a byte array containing ……

Java

2020-01-15

In Java 8, how to get an int array from a stream without using foreach

How to convert stream < int [] > into int [] without using foreach? final Stream<int[]> stream = foos.stre……

Java

2020-01-15

How do I convert a 2D list to a 1D list using streams?

I tried this code (the list is ArrayList < list < integer > >): list.stream().flatMap(Stream::of).collect(……

Java

2020-01-15

How to convert mouse position to character position in jeditorpane in Java Swing

I'm trying to solve a problem. I need to find a position in a text in jeditor pane according to the position of clicki……

Java

2020-01-15

If there is no body, won’t the while loops in Java check their conditions?

In this example, I have a simple JFrame that contains a JButton. JFrame bound with actionlistener The acitonlistener s……

Java

2020-01-15

Java – A4J: commandlink stops working after rerender

I created this test case to isolate my problems Once the Ajax update is polled, the A4J: commandlink operation will no……

Java

2020-01-15

Java – chrome cannot load GWT source map

Chrome recently stopped displaying source maps My project has made some breakthroughs. Now I use the new version of GW……

Java

2020-01-14

Java date difference puzzle

I want to calculate a date time difference, but I get some strange results: import java.util.Calendar; import java……

Java

2020-01-14

GUI Java program – drawing program

I've been trying to figure out what's wrong with my code Our idea is to create a small paint program with red, green, ……

Java

2020-01-14

Java – expression parsing and evaluation Library

I am looking for a parsing and parsing Java library Evaluate expression I searched and tried some libraries like Apach……

Java

2020-01-14

Java – get NullPointerException when parsing JSON

To me, everything seems right: get the result object, get the series array, get the object at the index, and get the d……

Java

2020-01-14

Java – core dump cannot be written Minidump is not enabled on the client version of windows by default

I have this Java class, and I try to use eclipse Mars 1. Ide operation This is the code: import com.xuggle.mediatool.I……

Java

2020-01-14

Java – OO game design issues

I'm writing a simple game in Java, but I'm trying to be 'right' with a beautiful and clean design without hacker attac……

Java

2020-01-14

Java wildcards behave strangely when classes are generic

I think I have some good understanding of Java generics This code is not compiled. I know why We can only pass the typ……

Java

2020-01-14

Java – string constant pool and intern

I've tried to understand the concepts of string constant pool and Inter in recent days. After reading many articles, I……

Java

2020-01-14

java – HttpProtocolParams. Setuseexpectcontinue (params, false) – when is it set to true?

I'm using org apache. http. impl. client. Defaulthttpclient retrieves XML from WebService and tries to determine wheth……

Java

2020-01-14

Java – use application Properties is localized to logback.com in spring boot Location of XML

How to use application Properties customize logback in spring boot Where is the XML? I tried the following, but it did……

Java

2020-01-14

Java – static variable vs volatile

I'm just asking questions from a thread perspective... I may have answered many times, but please help me understand t……

Java

2020-01-14

Conflicting overloading of Java – hamcrest matcher

The matcher isiterablecontaininginanyorder has two overloads on the static factory method containsinanyorder (both hav……

Java

2020-01-14

Java speed access array index and temporary variable

What is java faster Directly access the array index multiple times, or save the value of the array index to a new vari……

Java

2020-01-14

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Creating too many threads in Java

Java print string c equivalent

Unit testing – how to use JUnit and Hibernate effectively?

Java – Jersey 2 generates WADL schema using method parameters

Java – only one parameter is required in Apache commons cli?

JavaFX stopwatch timer

Java – there is a faster method, and then StringBuilder can connect strings in up to 9-10 steps?

JPA – how do I change the eclipse link in glashfish 4.0?

java. Lang.noclassdeffounderror: javax / mail / messagingexception unresolved

VHDL: is there a convenient way to assign ASCII values to STD_ logic_ vector？

Java – eclipse, jar export wrapper SVN file

Set java system properties without putting values on the command line

Java – how do I read / write raw hexadecimal bytes from I / O streams in Bluetooth chat?

In Java 8, how to get an int array from a stream without using foreach

How do I convert a 2D list to a 1D list using streams?

How to convert mouse position to character position in jeditorpane in Java Swing

If there is no body, won’t the while loops in Java check their conditions?

Java – A4J: commandlink stops working after rerender

Java – chrome cannot load GWT source map

Java date difference puzzle

GUI Java program – drawing program

Java – expression parsing and evaluation Library

Java – get NullPointerException when parsing JSON

Java – core dump cannot be written Minidump is not enabled on the client version of windows by default

Java – OO game design issues

Java wildcards behave strangely when classes are generic

Java – string constant pool and intern

java – HttpProtocolParams. Setuseexpectcontinue (params, false) – when is it set to true?

Java – use application Properties is localized to logback.com in spring boot Location of XML

Java – static variable vs volatile

Conflicting overloading of Java – hamcrest matcher

Java speed access array index and temporary variable

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