大约有 7,540 项符合查询结果（耗时：0.0190秒） [XML]
Force point (“.”) as decimal separator in java
...nswer to the question and beside as programmer this is what I want. I want Java to use US locale by default as everywhere in my code where I actually need localisation I will make it explicit in my code. Just my habits perhaps but it is very annoying when printf/format uses my local Locale cause the...
Java Enum definition
I thought I understood Java generics pretty well, but then I came across the following in java.lang.Enum:
7 Answers
...
What is the best way to tell if a character is a letter or number in Java without using regexes?
...way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks.
...
How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
...er it I have to remove elements at the same time. Obviously this throws a java.util.ConcurrentModificationException .
20 A...
How to convert int[] to Integer[] in Java?
I'm new to Java and very confused.
13 Answers
13
...
What is WEB-INF used for in a Java EE web application?
I'm working on a Java EE web application with the following source code structure:
5 Answers
...
Get ID of last inserted document in a mongoDB w/ Java driver
...D (ObjectID) of the last inserted document of a mongoDB instance using the Java driver?
8 Answers
...
How to import a class from default package
...h the default package. I have one class in default package - Calculations.java and I want to make the use of that class in any of the package (for instance in com.company.calc ). When I try to make the use of the class which is in the default package, it's giving me a compiler error. It's not abl...
GUI not working after rewriting to MVC
...n questions about Swing controllers are addressed here and here.
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
imp...
split string only on first instance - java
...t I want it to split on first instance only. How can I do that ? Here is a JavaScript example for '_' char but it doesn't work for me
split string only on first instance of specified character
...