Java
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Compiling java files using Java programs
Is it possible for programs written in Java to compile files using the JDK compiler (in addition to using java to open…… -
Can a java program know its current directory?
Can a Java application know its own current directory I am referring to the results of PWD For example, when executing…… -
Java – create a new instance class reference
I have an enumeration like this: public static enum TestEnum { // main ENUM_A (1,"test1",TestADto.class),ENUM…… -
Returns a list of nodes in a Java node. A parent node can have multiple child nodes
I'm trying to write java code to return a list of nodes in the tree The node class is class Node{ String label; List…… -
Convert object [] array to int [] array in Java?
There seems to be no simple way to do this, but this is what I have done so far. If someone can correct it, its work w…… -
Java – reset auto increment in H2
I'm testing a controller that returns a JSON response but doesn't @Before public void setUp() { Fixtures.deleteAll…… -
Java starts another Java application
I'm building a wrapper jar for the jar I built It will handle updating the main application and ensure that the user i…… -
Java regular expression, but matches everything
I want to match division * Everything except XHTML I have a servlet to listen to * XHTML, I want another servlet to ca…… -
Tyrus – simple java application – implementation class not found
I am developing simple applications to help me learn the concepts of websocket and Tyrus in Java This is my server (se…… -
Can ORM ODB for C generate code from the database
I am very new to this library, and it is usually orm I know that tools like entityframework can generate code from dat…… -
Java – in a single web Adding multiple servlets to XML
I tried on a web Two servlet classes run in XML, but it doesn't work. Each servlet class works independently web. In X…… -
Java – spring MVC controller and exception handling
I'd like to ask a best practice question about spring MVC controller Please check the following code: @ h_ 403_ 2@@Aut…… -
Asynchronous e-mail processing in Java Web Applications
When a user registers for a new account, I want to implement asynchronous email sending in my web application This mea…… -
Java – Maven 2 does not run JUnit 4 test
I'm having trouble running junit4 tests In https://stackoverflow.com/questions/2021771?sort=newest#sort -The same prob…… -
Java – monitor changes to collections
Suppose you have the following Java beans: public class MyBean { private List<String> names = new ArrayList&…… -
Why – in Java 1.8 – use functions instead of functions?
The order seems strange because in regular Java, the return type is always specified first For example: public static …… -
Use java to convert SOAP message format to socket message format, and vice versa
I am currently using java to study the conversion from SOAP message format to socket message format, and vice versa I …… -
Java – perform default tasks in ant in case of failure
I am currently using ant to build my java project on a Windows XP machine thank you Solution Google and found this It …… -
Java – is there any way to listen to the method execution of another class?
Can I listen to the method execution of an instance or all instances of a class without modifying the code? someInstan…… -
The Java – @ aroundinvoke interceptor is called twice on the @ WebService class
abstract Call the @ aroundinvoke interceptor twice on the @ WebService class. If the intercepted method is called from…… -
Java – espresso 2.0 – methods using @ test annotation in classes that extend junit3 testcase
When I use the new activityinstrumentationtestcase2 class shipped with espresso 2.0, I get a strange warning method. I…… -
Java: null in constructor
Excuse me, this question is a bit theoretical, but I want to understand it Why do I pass null parameters to constructo…… -
Java discards half of UDP packets
I have a simple client / server setup Server in C, the client of the query server is Java My problem is that when I se…… -
Java – stop and start JBoss programmatically in eclipse
Can JBoss be started and stopped programmatically in eclipse? I am using indigo eclipse Java EE, and I have a JBoss 5.…… -
How do I get node boundaries based on a specific ancestor in JavaFX 8?
I added a chart in anchorpane. I want to get the boundary of its chart (chart chart, I mark it with cyan), so that I c…… -
Java 8 type inference error, assigning lambda expression to variable of object type
Why does the java compiler complain about the first statement? This is because the expression () – > "" does not ha…… -
Java – multiple conditions in ternary conditional operators?
I'm in the first semester of Java programming. We just introduced the conditional operator (?:) condition I have two p…… -
Java – why is my null check so slow?
So my code looks like this right now public boolean in(TransactionType... types) { if (types == null || ty…… -
How do I convert strings to hexadecimal and hexadecimal to strings?
I made a simple program for sending and receiving data through the serial port in Java I connect the serial device to …… -
JUnit – the unit test of the spring boot actuator endpoint is invalid when the port is specified
Recently, I changed my spring boot attribute to define a management port I wrote a unit test for the test / metrics en…… -
Automatically update rows in tableview from the model
I've been looking for information about refreshing data to tableview I tried to modify the model directly, but I got a…… -
Java – ActiveMQ web console is not suitable for embedded agents
I have an embedded agent that is completely configured through Java code (no deployable XML file) When I point my brow……