Java 归档 - Page 54 of 655

How do I resolve errors about incompatible types?

I study java projects on IntelliJ Then I found an error about incompatible types in the try catch block This is part o……

Java

2020-09-06

Can the skip method of Java – stream make the infinite stream limited?

"The limit() and skip() methods make the stream smaller. They can make the finite flow smaller, or they can generate a……

Java

2020-09-06

Java – do calls to thread safe functions also need to be synchronized?

If I am using concurrenthashmap (where put is thread safe) and I provide a common function myput using concurrenthashm……

Java

2020-09-06

Multithreading – * * * glibc detected * * * double free or corrupt (fasttop):

The clear call to qbytearray generates the following exception: *Glibc * / home / Yan / fps2 / fps2 detected: double f……

Java

2020-09-06

Java – is the public modifier in the private class of the package redundant?

Suppose I'm in package com Test in test Java declares a class test: I want to know, isn't the public access modifier o……

Java

2020-09-06

Java – installing IBM JRE on windows (non IBM machines)

I am developing a Java 5.0 application that connects to the default message queue of websphere application server My a……

Java

2020-09-06

Java – how to use “jconsole” with WebSphere 6.1?

I have deployed some managed beans on WebSphere 6.1 and I have tried to call them through a stand-alone client, but wh……

Java

2020-09-06

Java – use streams to map to 2D arrays

I'm trying to create a 2D string array using streams: String[] fruit1DArray; String[][] fruit2DArray; Map<String,S……

Java

2020-09-06

Java – how to collect logs in JBoss related to a single request?

I am developing a Java EE web application running under JBoss I want to do the following: when a user sends an HTTP re……

Java

2020-09-06

Java – how do I use a project in another project as a module?

I want to modularize the Android project so that it is easy to maintain in the future I wonder if it is possible to us……

Java

2020-09-06

I can use Java util. Set implements state transition for DFA in Java

I am working as close as possible to formally define the implementation of DFA as a learning exercise (and blog materi……

Java

2020-09-06

Can the Java / Scala / etc code tell Tomcat when to run it?

I have my webapp data in a database that can be accessed in different ways from different places There is no common co……

Java

2020-09-06

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

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How do I resolve errors about incompatible types?

Can the skip method of Java – stream make the infinite stream limited?

Java – do calls to thread safe functions also need to be synchronized?

Multithreading – * * * glibc detected * * * double free or corrupt (fasttop):

Java – is the public modifier in the private class of the package redundant?

Java – installing IBM JRE on windows (non IBM machines)

Java – how to use “jconsole” with WebSphere 6.1?

Java – use streams to map to 2D arrays

Java – how to collect logs in JBoss related to a single request?

Java – how do I use a project in another project as a module?

I can use Java util. Set implements state transition for DFA in Java

Can the Java / Scala / etc code tell Tomcat when to run it?

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)

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