Java
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Java – cannot reserve heap space
I am using soap UI 5.0 0 open source I'm running soapUI testcases through ant to get JUnit reports build. XML file: &l…… -
Java – how to specify multiple options using Apache commons cli?
What I want: java programName -jobs1 -C 10 -W 20 java programName -job2 java programName -job3 Content: Option o1 =…… -
Java in Java lang.Void？
I am currently using it Net 2.0 and has an interface whose generic type is used to define the return type of a method …… -
Java – what is the fundamental difference between evacuation and compression in garbage collection?
I've read a lot of documentation about hotspot GC for Java se 6 and 7 When it comes to the strategy of obtaining the c…… -
Java: what is the difference between lsparser and documentbuilder
I'm at org w3c. dom. ls. No information was found on lsparser I know this is an interface, but there is only one way t…… -
JUnit – use kotlin and jmockit
I need some advice on using jmockit and kotlin (cut) this is the (Java) class I tested: public final class Nutritional…… -
. Net – multithreading and Boolean
I have a class that contains Boolean fields like this: public class MyClass { private bool boolVal; public boo…… -
Java: retrieve key after executebatch() in H2
I tried to retrieve the generated key from the executebatch() transaction, but I only got the last key to add This is …… -
Java – duplicate code in enumeration inheriting public interface
I have several enumerations that conform to common interfaces: interface TableColumns { String getColumnName…… -
Java generics pass parameters
I hope someone can help me get rid of this trouble I did this: public static <T> void myMethod(Map<Class<T…… -
Java – the ideal place to store binary data that can be rendered by calling a URL
I am looking for an ideal (performance efficient and maintainable) place to store binary data In my case, these are im…… -
Java – add firebase in app messaging issues
I've been trying to add firebase in app messages to our Android project It builds successfully, but when I run the app…… -
Unable to authenticate SSL site in Java: “pathlenconstraint violated – this certificate must be the last certificate in the certificate path”
I tried to read from a secure (i.e. SSL) web page in Java code Please note that I have successfully established a non …… -
Java – illegal UTF-8 sequence connected to PostgreSQL database
I have the following code to connect to the database String host = "jdbc:postgresql://localhost:5432/name"; String…… -
How to use concat to get different object lists in Java 8
I have two Java classes class A { String name; List<B> numbers; } class B { Integer number; } I want to get …… -
Java – line breakpoints do not work in some classes
I am using IntelliJ idea to debug applications running on Tomcat But I have a problem. In some classes, line breakpoin…… -
Java finds the network interface of the default gateway
In Java, I want to find the Java. Net interface corresponding to the interface used net. The network interface arrives…… -
Java – class with multiple bounded types and unchecked casts asSubclass
I have a class of type < T extends enum < T >& Ampere; Operational replacement I have a member variable c…… -
In Java Purpose of class file
I tried to understand How class files work in Java and what their purpose is I found some information on the Internet,…… -
java – Spring – server. Invalid connection timeout
In my application In the properties file, I have server.port=8086 server.connection-timeout=15000 I know the file is l…… -
What are the best practices for including third-party jar files in Java programs?
I have a program that needs several third-party libraries. At present, its packaging method is as follows: zerobot.jar…… -
Java – system. In Tomcat Scope of setproperty
This question is the "cousin" of this one involved Android But here we are in the Tomcat environment If in my webapp, …… -
Java – OWASP HTML sanitizer clear comments
I have an application where customers can store the following HTML lines to load different styles for the actual brows…… -
Java – GCM – failed to publish JSON request to GCM after 6 attempts
I have the same problem as this I will try to provide more information I'm using the play framework, written in Java I…… -
Java – Eclipse: editing and running code in real time
When editing java code in eclipse, I can modify the code in various ways and make these changes take effect without re…… -
Java – Apache HTTP client prints “[read] I / O error: read timeout”“
I am using Apache HTTP client v4 5 and use it as a rest client In some cases, I recognize an error "[read] I / O error…… -
Java – when the first parameter is a class with a method, you cannot replace the SAM constructor with lambda
I'm confused about the SAM constructor. I have this Java class: public class TestSam<T> { public void obser…… -
Java – distinguish between connection rejected and connection timeout
Using Java net. socket. When connect(), both connection rejection and timeout will result in connectexception java.net…… -
Java – handling illegalthreadstateexception
import java.io.*; import java.io.*; class Sysexecute { public static void main(String args[]) throws IOException,I…… -
Simulation – 6502 and Commodore pet interrupt behavior in independent test
I am building Commodore pet on FPGA I have implemented my own 6502 core in Kansas lava (the code can be found in https…… -
Java – binding generic parameters to class Uncheck when
I have some code. It uses the class name provided externally. It needs to construct an instance that implements an int…… -
Write temporary files in Java
I want to write temporary files in append mode I see that the file has been created, but the data in the StringBuffer ……