包含标签：Java 的文章
-
Execute shell commands from Java
I am trying to execute shell commands from Java applications on GNU / Linux platform The problem is that the script th…… -
Java – multithreading and recursion together
I have recursive code that deals with tree structures in a depth first manner The code is basically as follows: functi…… -
What does the Java – BufferedReader constructor expect from FileReader
I need to understand the differences between the two classes and how they work together As far as I know, FileReader r…… -
Java – performance testing flex applications
What is the best way to test the performance of flex applications using Blazeds / Java Server backend? We are studying…… -
Java – what is the meaning of ‘static’ in the method header?
I want to know what is the function of the word 'static' in the title of the 'staticnumbers' method public class Displ…… -
Java integer memory allocation
Hey, I want to know the following code snippet public static void main(String[] args) { Integer i1 = 1000; Int…… -
Java – how to define an index in a hibernate entity through several columns?
morning. I need to add an index to the hibernate entity As far as I know, the @ index annotation can be used to specif…… -
java. What are the benefits of NiO for web servers?
I know this is a recurring problem. I have read articles like the following http://www.mailinator.com/tymaPaulMultithr…… -
How to insert big integer in Java preprocessing statement
I want to insert a large integer value using preprocessing statements. I have a string variable named XID (41527820021…… -
Setting an instance in Java?
Java defines a set interface, where contains() is defined as follows: The collection interface defines contains() as f…… -
Java extending class containing main method
I use the following code as part of my assignment class Base { public static void main(String[] args){ System.ou…… -
Java – spring launch security configuration – AuthenticationManager must be specified
This is my main application configuration @SpringBootApplication public class Application { public static void ma…… -
How to convert comma separated string to ArrayList in Java
See the English answer > how to convert comma separated string to ArrayList? 23 import java.util.ArrayList; import …… -
How big is the Java – integer cache?
The class integer has a cache that caches integer values So if I use the method valueof or in@R_633_2419 @Ing, the new…… -
Multithreading – waiting for any given future in scala?
Suppose I need to perform some parallel tasks in scala Each task performs some blocking calls (for example, process. W…… -
Using listproperty in JavaFX
I defined a class that contains a list I tried to initialize the list in the constructor with the transport list: publ…… -
Check whether there are files or directories in Java
This java tutorial from Oracle: Why are they different? It has no further explanation Does anyone know more about it? …… -
Java – stores serializable objects in a file, but does not include some data
I have an object that allows me to store buffered image in my target file In the same object, I have the bufferedimage…… -
Assign int to byte in Java?
int val = 233; int val = 233; byte b = (byte) val; System.out.println(b); I have a simple example: I have an integer w…… -
Object array, the difference between Java and C
I'm new to C. I'm porting a java project to C Consider the following java code, where piece is a class representing ch…… -
What characters can be used to parse Java paragraphs?
I believe people will get a funny from this person, but for my life, I can't find a separator, which will indicate whe…… -
Java – eclipse menumanager: get imagedescriptor of image?
I can't let this work, so I think posting here may be a wise idea My problem is, I want to attach a small icon to the …… -
System and Java
I'm a new Java user Recently, I learned that (we use it in system. Out. Println) is a Java standard output object My q…… -
Java – is there a big difference between UTF-8 and utf-16
I called a WebService, which gave me a response XML with UTF-8 encoding I checked it in Java using the getallheaders (…… -
Java – how to write init scripts
Hi, I'm using 64 bit Fedora 10 Linux I have created a sample Java application Now I want to write an init script for t…… -
Java – splits a string into string [] for a period of time, but returns an empty array
Well, maybe I just need a second pair of eyes I have a floating point number and I become a string Then I want to spli…… -
Problems with Java – renderscript support library
I try to use the Android renderscript support library on API 16 and later devices, and follow the steps described here…… -
Java – wait for jdialog to close
I have a class filepathdialog, which extends jdialog, and this class is called from a class X This is a method in clas…… -
Java – how to implement observer to get data from listener?
I am using the materialdrawer library to create a simple drawer for my application. Some class instances in the librar…… -
Java converts GIF images to PNG format
I have to build a java servlet to receive images and return images converted to PNG format How can I do this? Thank yo…… -
Java – how do I rotate a rectangle in libgdx?
I rotate my sprites 90 degrees. I want to do the same for my rectangles so that they can be used for collisions, but t…… -
Java – use the ‘super’ keyword when accessing non overridden superclass methods
I've tried to get inheritance rights in Java and have learned that when overriding methods (and hidden fields) in subc……