包含标签：Java 的文章
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Java – executorservice seems to run threads on the UI?
Iam tried to use executorservice to run some code to connect my client to the server Obviously Iam tried to make it ru…… -
Assembly – sometimes why do we need to disable interrupts when A20 is enabled?
In some codes of osdev wiki for enabling the A20 line, we have cli interrupt command In others we don't have them For …… -
Java – JPA onetomany list cannot find mappedby attribute that should be inherited
We are currently making some requirements. We must add some similar entities (car pictures, pet pictures, holiday pict…… -
When a decimal point is given, the Java program crashes, but int is used
When the user enters an integer, the program runs smoothly, but when the user enters the last decimal number, the prog…… -
Java cannot find method main
I have a simple hello world plan trouble ha ha! I hope someone can understand this Therefore, the errors received are …… -
Polymorphism and interfaces in Java (you can use polymorphism to implement interfaces… Why?)
In the real world, what types of problems do people use it to solve? Can I see the sample code for these collaboration…… -
java. lang.ClassCastException：android. widget. LinearLayout $layoutparams cannot be cast to Android support. v7. widget. RecyclerView $LayoutParams
I have a recyclerview with LinearLayout LinearLayout consists of nine buttons Before making some changes, I can click …… -
Java cast to enum type problem
There were some problems converting Java long type to enum type, and a solution could not be found This is what I'm us…… -
Does Java contain a data type named “item”?
I'm reading the book algorithms. They mentioned the data type item However, I can't find it in any API Is there an "it…… -
Java – Maven spring boot multi module
I'm trying to configure Maven to use spring boot with multiple modules I'm new to Maven and spring boot stuff. I'm not…… -
Android websocket sockjs client of webserver based on Java spring
I am using spring 4.1 6. Release and my server are configured to use the websocket method based on sockjs and stomp pr…… -
Java – how to prevent the possibility of selecting specific columns in JTable?
I want to disable the possibility of selecting specific columns in JTable Using the defaultlistselectionmodel class, y…… -
Java – how to use jsoup to get hidden input values?
I have data <input name="authenticity_token" type="hidden" value="aiUlw1Yh4W47lPQearSEdTkU0rhKpziZOweq5PMTV0Q=" /&g…… -
Java – eofexception when reading files using objectinputstream
I have basically encountered a similar problem: eofexception in Java when reading objectinputstream, but I can't find …… -
Java – is there any way to restore Youtube API videos?
I'm using the Youtube API to write a simple application for Android – I want to realize the automatic recovery state o…… -
Inline comments in Java: / * * versus / *?
Why do I prefer to write inline comments in Java, as shown below: /** Init operation */ mindControlLaser.engage(); Ins…… -
Java – read the image from excel and store it in SQL server
I have a table called 'tab1' cl_id int //auto imcrement cl_image image I want to read the image in Excel from the imag…… -
Java: how to delete spaces in jformattedtextfield?
So I have a jformattedtextfield that lets users enter a number The number can be 1 to 99, so I used maskformatter ("##…… -
Java – hibernate preupdateeventlistener does not work
I am trying to implement hibernate's preupdateeventlistener in my project, but there is no response My configuration X…… -
Boolean expression optimization in Java
Consider the following methods in Java: public static boolean expensivecomputation() { for (int i = 0; i < Inte…… -
Java – what is the difference between these two urlencodings of URL
Some queries encoded UTF - 8 I sent to the server did not return the expected results Namely http://direct.jthinkws.co…… -
Java – endpoint with OAuth: get the current ClientID
I just started using endpoints in Google App Engine, and everything seems to work well My API rejects non whitelist cl…… -
How to substring a string to the second point (.) in Java?
I have a string with many segments by dots (.) Separate as follows: I want to get a substring up to the second point, …… -
Java – type set is not universal; It cannot be parameterized
My eclipse faces this strange problem Type set is not universal; It cannot be parameterized with the parameter < in…… -
Java – how to create a new activity, I can choose to add a new project from the database?
I created the database after this tutorial, and I created a button in the main activity that takes the user to another…… -
Java – token “;” Syntax error on, {expected after this tag
Why is there a syntax error in this line (as shown below) package org.temp2.cod1; import java.security.*; import javax…… -
Java – WebSockets, play framework and actor
I need to inform all users about adding new records to the database > Application. Java – here I put the socket han…… -
Java – how to get content in Web crawl
Hi! I'm trying to implement this pseudo code for spider algorithm to explore the network I need some ideas about the n…… -
Java socket server lags behind two clients
I'm a newcomer lol to stackoverflow, but I've always relied on this website I have a question about the java socket se…… -
Java – Maven ‘deploy’ causes code repackaging (bad signature) after signature operation
I want to deploy an artifact to the sonatype OSS repository The signature is invalid when deploying with the following…… -
The override equals method to compare multiple fields in Java
What is the best way to rewrite the equals method in Java to compare multiple fields? For example, I have four objects…… -
Java – how to filter by entity class attribute in Hibernate
I use hibernate in Java to map classes to database tables I have a personnel list. Each item has many pets and each pe……