Java
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Validating a certificate in Java throws an exception – a valid certificate path for the requested target cannot be found
I have a web application that requires the client to send its certificate. The server must verify the certificate (tha…… -
Java – standard JPA 2 and 3 tables
I'm trying to create a condition to retrieve some objects from three tables (Association, update and detail) Details r…… -
Java – how to create a splash screen for the GUI?
Hello, I'm a novice in Java and try to make the flash screen or image display for 3 seconds Then it will enter my main…… -
What is the class loader in Java?
What does this mean when a customer says in Java that "code should not have a custom class loader"? What can't I do? S…… -
Java RSA encryption
I tried to encode a simple string "test" back and forth public static String encode(Key publicKey,String data) throws …… -
Java – no credit card processing for Google Checkout / Amazon / paypal
If I want to process payment directly instead of through Google / Amazon / paypal, what should I do? Is there a Java A…… -
Java – use IntelliJ to set breakpoints in gradle projects
Now that IntelliJ 12.1 is out, I want to be able to attach the debugger to the 'gradle run' application and stop it at…… -
Java – Google drive SDK activity exception not found
I'm trying to implement Stephen Wylie's Google drive example (here) This is my code: package com.googledrive.googledri…… -
Java simpledateformat time zone offset, minutes separated by colons
In Java, how to use simpledateformat to get "2012-11-25t23:50:56.193 01:00"? If I use Z format "Yyyy mm dd't'hh: mm: S…… -
Here is the java servlet interface
I'm new to Java I'm creating a servlet and getting the wrong interface here Can you make me understand this problem? I…… -
Java – exec Maven plugin means that the specified program cannot be run, even if it is on path
Editor: 20140716 Solution found tl; Dr = exec Maven plugin is not recognized CMD file, and only The bat file is recogn…… -
How do I check the Windows version in Java?
I want to check the Windows version in Java (basic or home or professional or business or other) What should I do? Sol…… -
Java – use Guice injection and actor to throw null pointers
I get a null pointer exception on the field injection of the server, which starts as an akka actor Plan part: private …… -
Java – Amazon S3, how to check whether the upload is successful?
I wrote a short test code in Java to upload the PDF file generated in memory In this test code, I only use a virtual b…… -
What is the important idea behind the Java – AOP implementation?
I want to make it clear to me I read the concept of AOP and I understand that it is a good way to share cross domain s…… -
Java – GWT – unable to get type signature of class
I am developing an application GWT, which can search files on different servers I have my search code in the server pa…… -
The difference between equals and colons in Java properties files
In spring, you can use different property files to configure messages, so they are often like this: message.key=text h…… -
Java – finds the sum of numbers in the array – excluding the number 13 and the number after it
I want to write a program in Java, give an array and find the sum of all the numbers in the array - with one exception…… -
Java – xssf how to get any strings
I try to use Apache poi xssf to parse Excel files into XML cell.getStringCellValue() It throws an exception because it…… -
Java runtime error “non terminating decimal extension; no exactly representable decimal result” in BigDecimal class
When I choose "positive incorrect integration" or "negative incorrect integration", it gives me a mistake at java.math…… -
Java – how to use the custom JTable cell editor and cell renderer
I have created a JTable with custom table rendering and custom cell editor, which can give the results in the image I …… -
Java – how to improve efficiency?
I'm creating an asteroid clone, but there are still some bells and whistles So far, I have an ArrayList < < aste…… -
Java – why does the enummap constructor need a class parameter?
The enummap class constructor requires a class as an argument Most of the time, k.class is passed as a parameter I sti…… -
Java 8 applies stream filters based on conditions
In Java 8, is there any way to apply filters to streams based on conditions, example I have this stream if (isAccessDi…… -
Java – spring throwing httpmediatypenotacceptableexception: an acceptable representation cannot be found due to a point in the URL path
Final editing So after research, because the answer is not because of what I see, I found that spring does some strang…… -
Java – how to use ant to check signed jar files?
I use ant signjar task to sign the jar file, and now I want to test it before deployment I can check jarsigner -verify…… -
Java – Maven assembly plugin mojoexecutionexception, where dependencyset is outputdirectory
In my Khatami project, I use Maven to manage compilation and package the results into a runnable artifact: the top-lev…… -
Java – set column headers in JTable
I have the following JTable table model: http://s17.postimage.org/7zfh3l4lr/Screen_Shot_2012_03_10_at_15_11_31.png Ins…… -
Java – completable future | then apply vs thenpose
I can't let my head revolve around the difference between thenapply () and thenpose () So can anyone provide an effect…… -
Java – type mismatched keys from the map: expected Text,received … LongWritable
I have a simple Hadoop application that takes a CSV file, splits the entries with "," and then calculates the first it…… -
Java – how to repeat the “if” statement when the output is false
I'm developing a simple game where users have to guess a random number I've set up all the code except the fact that i…… -
Java – how to set the background color of custom button status?
I have a button that contains drawable and text I hope the background of the button is different from the normal backg……