Java
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Java – get the date representation in seconds?
I'm using an API that requires a date parameter as the number of seconds, an int My problem is that I now store this t…… -
Initialization of Java 7 Diamond operators and derived classes
class A {} class A {} class B extends A {} class Holder<T> { T object; Holder(T object) { th…… -
java – android. view. Inflateexception: binary XML file line #6: error ballooning class fragemnt
This error occurs when the application starts I received many kinds of errors displayed in subj These mistakes seem to…… -
Java – invalidate the @ cacheable entry through comments on the interface?
I'm using spring and @ cacheable annotations to cache some database entries I want to invalidate the full cache period…… -
Java – TestNG runs all class methods multiple times and initially executes @ beforeclass using the provided data
I am writing a test suite for webapp using TestNG and selenium webdriver What I need is to run all the methods of the …… -
Java – good design: how to pass inputstreams as parameters?
I have a large file and I am opening a FileInputStream This file contains files, each with an offset from the beginnin…… -
Debugging Ajax PHP using NetBeans Xdebug
I have jQuery to make Ajax calls to another PHP file, and I can't study how to stop NetBeans and Xdebug at the breakpo…… -
Java – why collection ToArray (t []) does not use E []
The toArray method (selected in java.util.arraylist) is as follows: class ArrayList<E> ....{ public <T>…… -
Java – what is’ savedinstancestate ‘?
I'm new to Android development, but I have some understanding of OOP concepts I'm trying to learn Android from a Java …… -
How to store Haskell data type in unboxed vector in continuous memory
I want to store a nonparametric, decompressed data type data Point3D = Point3D {-# UNPACK #-} !Int {-# UNPACK #-} !Int…… -
Java – is there a reason for the “pseudo typedef antipattern”?
I have a relatively complex generic type (such as map < long, map < integer, string >), which is used interna…… -
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…… -
How to solve module info in jdk9 / java-9 Java compilation error
I tried to run under code using jdk-9, but I encountered a problem compiling with the command command javac -d mods .\…… -
Why doesn’t Java 9 simply convert all jars on the classpath to automatic modules?
To understand our categories: >Platform explicit module > Application explicit module > open module > auto…… -
Round Java float parseFloat
Given the following code, I want it to return "float = 32000.0001" Instead, it returns "float = 32000.0" System.out.pr…… -
How does Java initialize the JAXB / Jax WS / etc implementation?
I just want to know how Java includes standard reference implementations (such as JAXB / jax-ws in jre6) in JRE, while…… -
Java – why is this code applicable to this TopCoder problem?
I've been trying to think about this TopCoder problem from hours, and I can't find a perfect solution, and I find that…… -
Java – is it safe to share exception instances
We are making a system similar to excel When we open the document and find an unsupported function, we throw an except…… -
Java – Maven dependency for project level self placed jars
I created a Java class and converted it into a jar file So I want to use the jar files I put at the project level, suc……