包含标签：Java 的文章
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How to append to the end of a file in Java?
... ... Scanner scan = new Scanner(system.in); System.out.println("Input : "); String t = scan.next(); FileWriter kir…… -
. Net and Java EE middleware?
Someone can compare Net and Java EE middleware (advantages / disadvantages) If not, at least provide a useful link for…… -
When should I use Java in ColdFusion applications?
Of course, the respondents to the question know that ColdFusion is a Java EE application that can access all the under…… -
Create a java program to search for specific word files
I'm just learning that language and want to know what experience Java programmers will have in the following situation…… -
Java – configure spring data sources for hibernate and @ transactional
At this time, I am using the drivermanagerdatasource with @ transactional annotation to manage transactions But all tr…… -
Java – why doesn’t the runnable jar exported from eclipse work?
I have a project that works well from eclipse Edit (it was not previously run with - jar): INFO: Loading XML bean deFi…… -
BlackBerry JDE ArrayList?
BlackBerry JDE does not contain Java util. ArrayList, even if it knows Java util？ What's going on? Does BB have the s…… -
Java – socket and datainputstream
I'm trying to understand this code DataInputStream stream = new DataInputStream( new ByteArrayI…… -
Java – InputStream that does not receive EOF
I tried to send an image from my Android device to my computer through a socket The problem is that the input stream o…… -
Java – the difference between “instanceof list” and “O instanceof list “
I don't think there is any difference between the following: Object o = new LinkedList<Long>(); System.out.…… -
Java – what does the “this” context mean?
I checked many Android tutorials through the Internet In these tutorials, they use this context everywhere I know what…… -
Java – convert string to list
Is this the correct way to convert a string to a list? List styles = (List)request.getParameter("styles"); Model …… -
Java conversion / classloader problem
The following is a simplified version of the problem: SomeClass c = (SomeClass) obj.getSomeClassParent() Not always, e…… -
Java – refactoring multiple if else conditions in a method
I'm refactoring my existing code It actually works, but it's a bit confusing. Multiple if else conditions check the va…… -
Converting ANSI characters to UTF-8 in Java
Is there any way to convert ANSI strings to UTF using Java I have one using readutf & amp; Custom serializer for T…… -
In Java, why do you put parentheses before the aray name?
I was told int[] numbers and int numbers[] Is equivalent I've only seen the former If so, what is the motivation for w…… -
Java – Comparison of two strings
I have the following code: int t = s.length()-1; int g = 0; for (int i=0; i < s.length(); i++){ i…… -
JPA criteriabuilder case query
Can anyone provide an example of how to write a case query using criteriabuilder? Solution The following is a sample c…… -
Java – is resultset thread safe
Is resultset thread safe? My problem arises because in my program, I have used different statements for each query. I …… -
Java inheritance and composition (implementation stack)
I want to implement a stack in Java (using list interface: interface list) I want to implement it in two different way…… -
Java – JDBC and threads
I have a program that needs to query the database within a given time interval, perform some operations through the re…… -
Using XML as a database in Java
I want to use an XML file as a database I want to store the ID and its corresponding string path Like: <item> …… -
Java – how to convert a floating point number to the nearest fraction represented by a byte numerator and denominator?
How to write an algorithm that gives floating-point numbers and try to express them as accurately as possible using nu…… -
Java – add segment independent text to legend in JfreeChart piechart
Is there any way to include some arbitrary text in the legend in JfreeChart piechart? I know that a piesection label g…… -
Java – abstract and anonymous classes
See English answers > Creating the instance of abstract class or anonymous class 8 abstract class Two { Two() {…… -
Java library size
If I give two Java libraries in jar format, one has no fancy things, and the other has a lot, most of them will not be…… -
Java – expect this loop to be infinite, but it’s not
This is my java code: public class Prog1 { public static void main(String[] args) { int x = 5; whi…… -
Java – does a 32-bit process need more memory when running on a 64 bit system?
I have a Java application that is quite memory hungry If I run the same application on 64 bit Windows XP Professional …… -
Java Concurrent modification exception
I wrote the following code, resulting in concurrent modification exceptions How can I prevent it? Our idea is to escap…… -
Java – Maven assembly plug-in Chmod output folder
I'm trying to use a maven assembly plug-in like this to build the zip of my project jar and all the libraries needed t…… -
Java – general reflection assistant method for equals and hashcode
I'm considering creating a reflection helper for equals and hashcode >In the case of equals, the helper method find…… -
Field assignment in Java foreach declaration
I know that the foreach loop used in the following example cannot be compiled But does anyone know why fields are not ……