Recent questions tagged JAVA

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I tried to make an implementation of bubble sort, but I am not sure whether it is correct or not. If you can give it a ... i] + ", "); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Loading resources (images) contained in a .Jar file or in the classpath

So I've tried various reading various fixes for this problem on stack exchange most say to use getResourceAsStream( ... images outside the .jar. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to use web service in J2ME application?

Can somebody specify the step for using web services in a J2ME application` I have downloaded Eclipse (SOA), ... in my J2ME application. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Accept All Cookies via HttpClient

So this is currently how my app is set up: 1.) Login Activity. 2.) Once logged in, other activities may be fired ... Is there a way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Service that repeatedly runs a method, after an amount of time

I want to create a service, that runs a method after 10 seconds over and over again, until I stop it, ... code to get the desired behaviour? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to convert HTML <table> to a 2D array

Lets say I copy a complete HTML table (when each and every tr and td has extra attributes) into a ... automatically without much code writing See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Passing a value between components

I have a JDialog which calls an AsbtractAction which brings up a JFileChooser so the user can select a directory ... Edit: Updated the question. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Changing the inheritance strategy in branches of the class hierarchy via JPA annotations

Today I faced an interesting issue. I've been having an inheritance hierarchy with Hibernate JPA, with ... , and using EntityManager. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - RestTemplate with pem certificate

I have pem certificate with private key and server certificate. I can execute it using curl and all works ... will be RestTemplate from spring. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Exclude one class file in gradle Android Studio

In my projects, I need to import third party jar file and Facebook SDK. compile files('libs/SkinSDK.jar') ... working and showing same error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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java - Convert integer to zero-padded binary string

when converting int to binary, how to output it to 8 character, currently it only display 1 and short of the ... ); example output to 0000 0001 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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175 views

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java - Problems using unirest in Android Studio

I have been getting some errors in my logcat that crash my application while trying to execute some unirest requests. ... META-INF/NOTICE.txt' } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Pause and Resume AsyncTasks? (Android)

I have an AsyncTask that acts as a countdown timer for my game. When it completes the countdown it displays the out ... , but it worked for me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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398 views

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java - How to run TestNG tests from main() in an executable jar?

I have an executable JAR which contains all dependencies and test classes. I've confirmed that the main() method ... can access the test class? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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215 views

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java - JPA - Increment a numeric field through a sequence programmatically

I have a JPA 2 web application (Struts 2, Hibernate 4 as JPA implementation only). The current requirement ... /persistence-unit> </persistence> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why is parallel stream slower?

I was playing around with infinite streams and made this program for benchmarking. Basically the bigger the number you ... -startTime)+" ms"); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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108 views

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java - How do I access a text file from within my war

How do I know what file reference to use to get a file from my WAR. The structure of the WAR is: WAR src - ... pass or how I can figure it out. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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253 views

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java - javax.sound.sampled.LineUnavailableException : Why am I getting this exception?

When the following method is executed: private void beep_player_1() { try { //clip_Player_2.close(); ... little-endian not supported. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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261 views

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java - How come putting the GCM authentication tag at the end of a cipher stream require internal buffering during decryption?

In Java, the "default" AES/GCM provider SunJCE will - during the decryption process - internally buffer 1) encrypted ... only I use small files. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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112 views

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java - Getting the message "Cannot start the update ui..." when trying to run the update UI in Eclipse

When I try to run the update manager in Eclipse, I get the error "Cannot launch the Update UI. This ... anyone know how to fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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142 views

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java - How to increase the resolution of image in PDF renderer?

I want to increase the resolution of a image. I used PDFRenderer-0.9.0 jar . It is downloaded from java.net for ... { e.printStackTrace(); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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254 views

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java - Why are there 2 ways to handle static resources in Spring (addResourceHandlers and the container's Default Servlet")?

I am new to Spring. I noticed that when handling static resources, there are two options available: Option 1: If ... -INF folder can be mapped. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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444 views

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java - Swing and bitmaps on retina displays

I've got a Java desktop app that works, amongst other, on OS X. Now the new MacBook Pro has a retina ... app is running on a retina display? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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114 views

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java - How to wait for input in a text field?

I'm converting a console application to one that uses Swing. At the moment I want my program to do a ... the text field and pressed enter. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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153 views

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java - How to sort GSON Array based on a key?

Consider the following is my Array [ {"id":10,"name":"name10","valid":true}, {"id":12,"name":" ... & Gson? Your inputs are greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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java - Can multiple JVM processes share memory for common classes?

I'd like to run multiple Java processes on my web server, one for each web app. I'm using a web framework ... only to the core runtime classes. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

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java - Dragging a JLabel with a TransferHandler (Drag and Drop)

I am using a TransferHandler to pass data from a JPanel to a JTextArea as a JLabel (Click somewhere in ... (JFrame.EXIT_ON_CLOSE); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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121 views

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java - Select a random value from an Array

I have an Array of number values, and I want to randomly select a value from in that array and then insert it ... used that it doesn't work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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