包含标签:Java 的文章
-
Java calculator with multiple operations
So far, I have the following working normally I'm sure there may be a simpler way to do this, but what I need to chang…… -
Java – advantages of locking API synchronization
Every blog or explanation I see the advantages of locks API over synchronization I want to know what the advantages of…… -
Java – how to add a jlabel image hover?
How do I continue to add jlabel hover? Just like when you move the mouse to the top, jlabel A and the new image will o…… -
Disruptor pattern – Java: with or without disruptor
HY, At present, I am developing a program that takes two values from AMQ queue and performs a series of mathematical c…… -
Java – why can’t classes that use @ transactional methods be assembled automatically?
I am using spring security with a waffle filter that authenticates users against active directory servers This combina…… -
Java – is there a better way to handle passing multiple parameters to methods
I found myself doing a lot of things: /** * Redirect to a MVC controller&action * @param controller * @param ac…… -
Try connecting to via JDBC – ODBC in Java 8 Classnotfoundexception in accdb file
I am using a java project in the eclipse EE IDE and I have to query Accdb file My code: try{ String filePath =…… -
Can Java – hashcode () dynamically change content?
In my implementation, I have a Class A that overrides equals (object) and hashcode () But I have a small question, tha…… -
How to download a zip file from the Internet using Java and save it in a specific folder?
This is my code: public static void downloadZipFile() { String saveTo = "C:\\Users\\aria\\Downloads\\Temp"; tr…… -
Java multidimensional arrays are treated as primitives or objects
Yes int [] [] matrix = New Int [10] [10]; A primitive or is it considered an object? When I send it as an argument to …… -
Java arithmetic
Why does this code return the wrong value? int i=Integer.MAX_VALUE+1; long l=Integer.MAX_VALUE+1; System.out.println(l…… -
If HashMap Java exists, it gets the value
I want to get a value from hasmap, but sometimes the value does not exist, so I did this: int var = 0; if (hashMapHous…… -
Java – combine allmatch, nonematch, and anymatch on a single stream
I think there is the following logic: (I know it doesn't work because it consumes the stream more than once) But I don…… -
Javadoc cannot run in Android projects
I use eclipse 3.5.0 on Ubuntu 10.04 2. Android development I installed: >Sun's JDK comes from the Ubuntu repository…… -
Java is the last day of next month
I have a variable of nowdate type. I want to set the variable nextdate to include the last day of the next month For e…… -
Use Java stream to get the index of Min size list in ArrayList
I have a list of integers, such as LIST1 = (1,2,3) and List2 = (0,1) My list contains LIST1 and List2 It can contain m…… -
Java – abstract base class in dart
I've been programming in Java for nearly two years, but now I'm turning more to web programming, so I'm turning to Jav…… -
Java – on COM sun. Using generics in codemodel
Use COM sun. Codemodel, I want to generate a generic LinkedList field I can create an original field using the followi…… -
Java – what is the character char ‘0x8’?
I have a lot of data in the database When I try to read a part of the data, generate some XML and send it to the web s…… -
Java – find hash table with maximum size
I have the following data structures: Map<Integer,Map<String,Double>> ---------------- | | a 2 | |…… -
Java – how to set the screen / window size when using ghostdriver
I use ghostdriver as webdriver implementation in Java - based projects I want to take a snapshot of the page The defau…… -
Java enumeration list in class [copy]
See English answers > java enums: List enumerated values from a class 4 Namely public static <T extends Enum>…… -
Java – sun. Not found security. ssl. SSLSessionImpl
When I try to use okhttp or javax ws. rs.client. Client, the following error occurs In sun security. Search in SSL pac…… -
Java – many Boolean flags are entered into the class
I have a dialog box that displays various contents according to the status of the application and the security of the …… -
How can I disable a node without graying it out in JavaFX?
My problem is that I can disable nodes so that users cannot interact with them when printing However, for the same rea…… -
Java – add string value
Here is the Java problem: Solution String str = "abcde"; String str = "abcde"; System.out.println(getIncrementedString…… -
Java – system. Java on Windows Where’s err?
I have a Java GUI based application that writes some diagnostic messages to system Out and system err. Where are these…… -
Java – lock files when writing files to disk
I have two separate threads F1 and F2 (specifically, two Java. Util. Concurrent. Futuretask instances) running in para…… -
How do I use instance variables twice without renaming them?
Help, I've just started learning Java. This online tutorial I'm doing requires me to create an instance of a class The…… -
Java – random number generator
I need to write a program in Java to generate random numbers within the range of [0,1] using the following formula: Su…… -
Java – peek() actually sees the element flow through a point in the pipeline
My question is expressed in the simplest way: According to Javadoc: I have a 10 meter pipe, 3 to 7 meters away from th…… -
java – org. elasticsearch. client. transport. Nonodeavailableexception: no configured node is available: []
I run elasticsearch on docker, which is available locally $curl http://192.168.99.100:9200/?pretty { "status" : 200,……