包含标签：Java 的文章
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Java – is it better for libgdx to use spritesheet or a single image?
I'm new to libgdx. I made 40 frames for the "hero run" wizard. I don't know if it's better to use spritesheet or a sin…… -
Java – how do I run unit tests against only changed source files?
Is there a way for me to run unit tests only for the Java classes it builds? For example, if MyClass If Java has expir…… -
Java – how to ignore spaces when reading files to generate XML DOM
I'm trying to read a file to generate a DOM document, but the file has spaces and newlines. I try to ignore them, but …… -
What is the equivalent of unsigned long in Java
I wrote the following three functions for my project: WORD shuffling(WORD x) { // WORD - 4 bytes - 32 bits //given i…… -
Java – does spring provide securitycontext for threads executing hystrix commands
I'm running a spring boot application and just started integrating hystrix from spring cloud Netflix I'm using @ hystr…… -
Why doesn’t Java support structure? (just out of curiosity)
I know you can use the public domain or some other solution Maybe you don't need them at all But out of curiosity, why…… -
Java – array recursion
I have a task I can't figure out. Any pointer will be very grateful. It is like this: A series of bulbs are represente…… -
Java – why doesn’t 0.0F / 0.0F produce any runtime errors?
Recently I tested the following program & I expect runtime errors, but it displays "Nan" as output Why & how? …… -
Final variables and synchronization blocks in Java
What is the final variable in Java? For example, if I write the final int temp; What is the meaning of the final keywo…… -
Java – how do I run unit tests against only changed source files?
Is there a way for me to run unit tests only for the Java classes it builds? For example, if MyClass If Java has expir…… -
Java operator, used to check whether two conditions are false, but not both conditions are false
If any condition is false, will the operator in Java give a result of false, but if both are true or both are false, t…… -
Java – guava set: limit the size of the permutation
Use guava 12 collections2 Permutations(), I wonder if I can limit the size of the permutation? More precisely, I want …… -
How do I run the 32-bit API on a 64 bit computer?
I'm writing a Java application that must communicate with it. It must communicate with XBee radio through USB cable To…… -
Java – when I need to be in optional Use optional. On orelse() When orelseget()
I need to make a clear explanation for this. Even if I am reading this link about differences, there is no clear defin…… -
Java – default expiration time of Google guava cache
I want to know the default expiration policy of guava cache Solution Suppose you're talking about cache builder From G…… -
What can be in the parentheses of a Java for loop?
My question is about Java for statements, such as for (int i = 0; i < 10; ++i) {/* stuff */} What I don't understan…… -
Java – uses the simulated location without setting it in the settings
I'm writing an application that takes advantage of the location simulation possibilities in Android What I want to ach…… -
What is the empty session path in Java – Tomcat?
I read the Apache Tomcat document the day before. I was confused about emptysessionpath As far as I know, if set to tr…… -
Java – JUnit test case for database insertion method using DAO and Web Services
I am implementing a university management system based on Web services The system adds some courses to the database He…… -
Project Euler #1 in Java
I encountered a problem with this code I don't want to see others, so I want to know what my fault is If we list all n…… -
If the string in LISP is a vector, why can’t I use svref to access the first element?
So, I'm trying to learn lisp. I have a problem defining what a string is I'm reading Paul Graham's ANSI Common Lisp. I…… -
Java – iterates the results in the list object returned by the hibernate query
I have hibernate query as follows: String MysqL = "SELECT S.col1,S.col2,T.col3,T.col4,T.col5 FROM myT…… -
Java – the GUI displays elements only after dragging the window
frame_ref = new Frame("Login"); frame_ref = new Frame("Login"); mainPanel_ref = new Panel(); buttonPan…… -
How to use comparable to compare common nodes in a linked list?
I'm using link lists to implement sort lists My node class looks like this public class Node<E>{ E elem; …… -
Java – Jersey 2.2: containerresponsefilter and containerrequestfilter will never be executed
After the getting started guide on the Jersey website: I executed the following build commands: $mvn archetype:generat…… -
Use Java 8 to calculate the number of days between two dates, while ignoring some days of the week
I have three methods below The first one is simple It only counts the total number of days However, the second not onl…… -
Java – use JSON Org parser parses JSON from httpclient request
I tried to parse JSON using notes proxy and get JSON using Apache httpclient This is the code that returns JSON import…… -
Java – possible cause of “StreamCorruptedException: invalid stream header”
I use drools to handle my pricing rules However, when I try to execute the rule, the following exception is thrown: ja…… -
Java – why use heaps instead of binary trees when implementing priority queues?
In my opinion, the only advantage of heap over binary tree is to find the smallest item in heap with O (1) rather than…… -
Difference between Java ‘assert’ and ‘if() {} else exit;’
What is the difference between Java assert and if () {} exit;? Can I use if () {} else to exit instead of asserting? S…… -
What is the difference between the gethost and getauthority methods in the URL class in Java?
I have a series of different forms of strings (URLs): > http：// domain name. anything / anypath > https：// dma……