Java 归档 - Page 53 of 655

Java – jwindow never gets focus events

I have a jwindow (set to always be at the top) that you can click to get a pop-up menu If the user right clicks a wind……

Java

2020-09-06

Java – how to select overloaded methods by parameter types?

I tried to overload my method based on the parameter type: Fielderror extends to objecterror private String getMessage……

Java

2020-09-06

Java – entity update using JPA / Hibernate

resolvent

Java

2020-09-06

Java reduces the collection of strings to the mapping that occurs

Treat list as Id1_ f,id2_ d,id3_ f,id1_ g. How do I use streams to obtain simplified mappings of statistics in the for……

Java

2020-09-06

The Java 8 stream cannot resolve variables

I'm new to Java 8. I want to refactor this code and convert it into more Java 8 styles, for (RestaurantAddressee Resta……

Java

2020-09-06

Java – implementation is also overridden

I added spring security to my application and encountered a problem My userdetails implements org springframework. sec……

Java

2020-09-06

Java – how to make two clients chat with each other?

This is not my homework (my homework is just chatting with clients and servers. It works normally, especially with you……

Java

2020-09-06

Java – Convert floating point arrays

I've been writing Java for some time and even started teaching it to others I find it difficult to explain to new stud……

Java

2020-09-06

Java – * * copy * * and * * addall * * what’s the difference?

1) Are there any differences between these two keywords for collection elements? (copy these elements to another colle……

Java

2020-09-06

Java – Scala / lift RSS feed

I'm looking for a simple one or two lines of code to get this PHP RSS feed: I'm using Scala / lift to relate to NetBea……

Java

2020-09-06

Java dynamic proxy without target object?

Strange question How to use Java's call interceptor when using a dynamic proxy without actually owning the target obje……

Java

2020-09-06

How to prevent Java from exceeding the container memory limit?

I am running a java program in the docker container with a memory limit of 4GB I have set the maximum heap to 3gb, but……

Java

2020-09-06

Java – remote debugging: no connection to wildly 14 on openjdk 11 on port 8787

I'm trying to connect my debugger to wild. Net running on open JDK 11 Although wildfly said: My IDE (IntelliJ idea CE ……

Java

2020-09-06

. Net – ORM example using a single table instead of a single table for the entire hierarchy?

From http://blogs.tedneward.com/2006/06/26/The +Vietnam+Of+Computer+Science. Aspx start "Developers usually take one o……

Java

2020-09-06

Java – find the algorithm with the least number of transactions between people

I've been thinking about it Suppose you have a list of books that people are selling I have a book. I want to buy a bo……

Java

2020-09-06

Java – string as reference type

See English answer > java string variable setting – reference or value? 9 String s1 = "x"; String s2 = s1; s1 = "xy……

Java

2020-09-06

Split or not split classification (in Java)

I have a sentence that is analyzed at different stages First, I get some attributes (such as X, y, z): public class An……

Java

2020-09-06

Java – JNI is passed by reference. Is it possible?

I have a java program that calls the C program to authenticate users I want the program to return true or false. If fa……

Java

2020-09-06

Java – how to use timezone to parse datetime without t or nanosecond

I am trying to parse the date time string in the following format: 2019-02-22 19:29:43+00:00 I am following this guide……

Java

2020-09-06

You want to calculate the average value of the tag, but do not print the decimal point (Java)

See English answer > @ L_ 502_ 0 @ 14 public class NotenDurchschnitt{ public static void main(String[] args){ ……

Java

2020-09-06

BizTalk – read twice from DB receive port

My receive port is sqlbinding and polling type It calls SP to obtain records and starts the corresponding business pro……

Java

2020-09-06

Task – TPL dataflow vs normal semaphore

I need to make an extensible process The process mainly has I / O operations and some secondary CPU operations (mainly……

Java

2020-09-06

Java – set and get methods

Java I'm here student! It's hard for me to understand how to set and get methods I am working independently in my text……

Java

2020-09-06

Java – how do I return multiple elements from a collection?

In the list, I need to replace each element with the sum of this element and all previous elements The first element d……

Java

2020-09-06

Java 8 – streaming with objects and raw wrappers

I am using the Java 8 stream and trying to modify the object content in the foreach terminal operation The problem I f……

Java

2020-09-06

Java 8 stream, converting object list to map >

I've experienced some examples that don't work for me This is what I want to do: I have a list < someclass > of ……

Java

2020-09-06

Speed of Java – Google App Engine spring MVC annotations

I am developing applications on gae using spring MVC and annotations It takes a long time for the application to load ……

Java

2020-09-06

Java – Maven plug-in automatically generates setters / getters?

Is there a maven plug-in that can automatically generate setters and getters using the corresponding Javadoc? I know e……

Java

2020-09-06

Java – is there a way to free the saturated connection pool?

I use open ESB on the GlassFish server We receive this error every few days: an error occurred while assigning a conne……

Java

2020-09-06

Java – insert rows programmatically (parent and child)

I am using spring and JDBC template This scenario is customer table and orders table - parent - child relationship I w……

Java

2020-09-06

What is Java util. Concurrent package Net equivalent?

I come from a Java background I think so Net and C # to learn more about concurrency Is there a Java like concurrency ……

Java

2020-09-06

Java – gradle: ‘compile’ cannot be applied

Today, I started a new JDK 11 project with gradle 5.0 (using gradle wrapper) and created a basic build script: buildsc……

Java

2020-09-06

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Java – jwindow never gets focus events

Java – how to select overloaded methods by parameter types?

Java – entity update using JPA / Hibernate

Java reduces the collection of strings to the mapping that occurs

The Java 8 stream cannot resolve variables

Java – implementation is also overridden

Java – how to make two clients chat with each other?

Java – Convert floating point arrays

Java – * * copy * * and * * addall * * what’s the difference?

Java – Scala / lift RSS feed

Java dynamic proxy without target object?

How to prevent Java from exceeding the container memory limit?

Java – remote debugging: no connection to wildly 14 on openjdk 11 on port 8787

. Net – ORM example using a single table instead of a single table for the entire hierarchy?

Java – find the algorithm with the least number of transactions between people

Java – string as reference type

Split or not split classification (in Java)

Java – JNI is passed by reference. Is it possible?

Java – how to use timezone to parse datetime without t or nanosecond

You want to calculate the average value of the tag, but do not print the decimal point (Java)

BizTalk – read twice from DB receive port

Task – TPL dataflow vs normal semaphore

Java – set and get methods

Java – how do I return multiple elements from a collection?

Java 8 – streaming with objects and raw wrappers

Java 8 stream, converting object list to map >

Speed of Java – Google App Engine spring MVC annotations

Java – Maven plug-in automatically generates setters / getters?

Java – is there a way to free the saturated connection pool?

Java – insert rows programmatically (parent and child)

What is Java util. Concurrent package Net equivalent?

Java – gradle: ‘compile’ cannot be applied

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