Java
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Java – setter method in constructor
Get a problem I have public class Student{ private String studentNumber; private String studentName; pr…… -
How to evaluate the next statement when null is returned in Java?
How do I execute the following JavaScript code in Java? var result = getA() || getB() || getC() || 'all of them were u…… -
Java noclassdeffound error
I'm trying to run a basic hibernate program I try Google 'ing it and include the following jar files in my classpath: …… -
Text navigation in Java – JDB does not work in bash
When I run JDB in Bash, the arrow keys generate strange garbage: up: ^[[A down: ^[[B left: ^[[D right: ^[[C So I can't…… -
Java – how do I use prepackaged and swing HTML text?
How do I use CSS white space properties Solution You can try to support CSS 2.1 https://code.google.com/p/flying-sauce…… -
Java – get the previous value of the object field hibernate JPA
Let's assume I have this course: @EntityListeners({MyListener.class}) class MyClass { String name; String surname;…… -
Java – how to detect that a new value has been added to the enumeration and is not processed in the switch
From time to time, I want to add a new value to the enumeration type of the project public enum Day { SUNDAY,MONDAY,…… -
Java – enumeration with getter
Can enumerations use vendors to store references to getter methods? Use this: String value = myEnum.getValue(object) I…… -
Enhanced for loop cannot assign values to arrays (Java)
See the English answer > why Java foreach doesn't change element value? 7 int[] array = new int[5]; for(int i =…… -
Java – how to escape a string to be passed to decimalformat
Can I know how to escape a string to decimal format? // currencySymbolPrefix can be any string. NumberFormat numberFor…… -
Java – why do we call acceptor Accept() instead of visitor Visit() to start visitor?
In Wikipedia sample and GOF books, the use of visitor mode is initiated by calling the accept method on a recipient Bu…… -
How do I reference a class type whose interface is implemented in Java?
I encountered an interface problem in a program I want to create an interface that has a method that receives / return…… -
Java – allows users to enter only positive integers (no decimals or strings)?
I know how to ask users to enter positive integers, but I don't know how to handle code to avoid input errors, such as…… -
Java – why can’t static and default interface methods be synchronized but can be strictfp?
See English answers > what is the reason why "synchronized" is not allowed in Java 8 interface methods? 1 People sa…… -
Advanced array sorting / rearranging in Java
So I have an array with the following theoretical values: int[] elements = {A1,A2,B1,B2,A3,A4,B3,B4,C1,C2,D1,D2,C3,C4,…… -
Java – some absolute methods on ByteBuffer are missing
Maybe I will solve this problem in the wrong way, but I lack some absolute put methods on ByteBuffer If you look at By…… -
The PowerShell process hangs when invoked from a Java application
I'm trying to write a simple application that accepts command line arguments (which will be a power shell PS1 file) an…… -
Rest – authentication / authorization in jax-rs using interceptors and injection
I am using wildfly 8 to develop a new application in Java EE 7 I am using Jax - rs to provide a restful service interf…… -
Javadoc for private methods (BlueJ)
I'm using BlueJ and I want to generate Javadoc for the whole project Solution This link indicates that BlueJ will only…… -
Java – you cannot publish anything on LinkedIn using linkedin-j
First of all, my problem is that I can't post any web updates, share or ID invitations I always get the following exce…… -
Java – is there a lightweight markup language library for Android?
Suppose I want to render / render text transmitted in some lightweight markup language Are there any existing Android …… -
Java gets the exception name only if there is no stacktrace
How do I get the exception name without getting the stack trace? I'm using exception Tostring() converts the thrown ex…… -
Java – how does JCA / JCE and pkcs#11 work together?
I want to use HSM (hardware security module) to create an XML file signature I've done some research, but now I'm a li…… -
Java – algorithm for looping arrays from the middle to the outside?
I'm working on a divide and conquer algorithm (actually fitting the curve to multiple input points) For the "split" pa…… -
Java – set the project to UTF-8 encoding, and the default character set returns windows-1252
I have a coding problem I'm not sure if it's ide related, but I'm using NetBeans 7.4 I got this code in the J2EE proje…… -
Java – define the concept of “port” in UML composite structure diagram
In UML composite structure diagram: what is "port"? How can I implement one, such as Java? Solution I will point out t…… -
What library do I need, so I can visit this com. Com in Java sun. image. codec. jpeg？
I created an image watermarking program in Java. I imported the following contents: import com.sun.image.codec.jpeg.JP…… -
Which Java collection should I use to implement thread safe caching?
I want to implement a simple cache without too much work (NATURAL) In my opinion, one of the standard Java collections…… -
Java – using jquery-1.7 1.min. JS compilation error
I'm trying to run dynamic web projects using Maven and spring I have one using jquery-1.7 1.min. JS code But I see com…… -
Java – how to understand OUTOFMEMORY or stackoverflow errors in advance
In Java, is there any way to know that stackoverflow errors or OUTOFMEMORY exceptions may occur soon? If a can program…… -
Java – static import method overlap
If you have a static import to Java Lang. integer, and my class also has a static method parseInt (string). Which meth……