包含标签：Java 的文章
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Java – reasoning of object-oriented access specifiers
I have a general question about the reasons for object - oriented access specifiers I never fully understand why they …… -
java – Camera. Parameters device specific crash (Samsung S3 mini)
The following code is using Galaxy nexus, Samsung S3 and HTC one X, but it crashes on Samsung S3 Mini @Override public…… -
Java – retrieve words from strings
I have this line: (ADDRESS = (PROTOCOL = XXX)(HOST = YYY)(PORT = ZZZ)) I need to retrieve the host name, in this case …… -
Java – Convert byte array to double array
I encountered some problems with WAV files in Java WAV format: PCM_ Signed 44100.0 Hz, 24 bit, stereo, 6 bytes / frame…… -
How to compare two string arrays without Java utils
Check whether array Arr1 contains the same elements as arr2 in the same order in Java For example: isTheSame({"1","2",…… -
How to select random numbers in a range, but weight them to a part of the range? (in Java)
I want to choose a random number from a series of numbers, but I want to weight part of the range For example: >Sel…… -
Java – split the file into four parts
I want to divide a file (suppose an MP3) into four parts I tried this code But only file1 Mp3 works normally I can't p…… -
Java – swing: pass values back to the UI from a predetermined thread
I have a java system tray UI and need a scheduled database polling What is the best way to generate a new thread and n…… -
How to include the text of a file in Java code?
It seems that Java is not what I used to do in C (there's no big surprise) I have a set of rules generated from anothe…… -
Java – can Maven re sign dependencies?
I'm using maven jarsigner plugin to sign my shadow super can I really need to distribute some dependencies in my jars …… -
Java – how to set the correct last modified header value for spring Web Services cached using spring cache?
I have a spring MVC controller: @Controller @RequestMapping(value = "/user") public class UserController { ..... …… -
Is there a “noreturn” keyword in Java
Sometimes I want to write an error () function, which will eventually call system Exit(), which means that this functi…… -
Java – send commands between two computers over the Internet
I want to use any computer connected to the Internet at home to control my computer (and the USB device connected to t…… -
Java – get POM. From commandline XML attribute
I am currently writing a script for our gitlab Ci, which will automatically upload files to the nfsshare folder on the…… -
Java – detect jdialog resizing
How do I detect when jdialog resizes? (windowlistener was my guess, but there seems to be no resized event handler.) S…… -
Java – what’s the difference between wrapping alfresco extensions as AMP and jar?
I want to understand the consequences of packaging alfresco extensions as jars rather than as amps I'm building alfesc…… -
Java parentheses flip string
How do I replace a string so that "(" becomes ")" and ")" becomes "("? Solution use. Replace (), but if you replace) (…… -
Java – how to change the JFrame content to the corresponding click?
I am using java to develop a simple desktop application There is a menu bar. When the user clicks menu item 1, the con…… -
How to disable all network connections in Java
Is there any way to run Java VM (Java. Exe) on Windows Server 2008 and disable all network connections using command l…… -
Java – J2EE: Singleton vs saving things in a session
When should I keep an object (that is, an application wide property file) in the session instead of creating a singlet…… -
Java – how to find the maximum value in a binary tree
I have to complete the method maxelem (node) in this way, and the method maxelem () returns the maximum value containe…… -
Java – retrieves the number of types in the list
I have a list The list can contain multiple items of the same enumeration type Let's say I have an enumeration: toy is…… -
How do I create a copy of the data type I created in Java?
If I have a class: public class MyType { private List<Integer> data; private boolean someFlag; …… -
Java – Eclipse: some or all of the projects cannot be imported because they already exist in the workspace
Sorry, I know I often ask this question But the non scene suits my problem I use eclipse in Git (in win7) In the GIT b…… -
In Java, can I use conditional expressions to “select” reference types?
Can I use conditional expressions to "select" reference types, as shown below? ??? = isTrue() ? Integer : Double; What…… -
Convert CIDR notation to IP range in Java
See the English answer > converting CIDR address to subnet mask and network address 11 For example, for CIDR 192.16…… -
Java – how to use spring roo to create @ entity without @ version field?
I use spring roo and JPA (hibernate) as my entity model I don't want to have a @ version field in some entities How ca…… -
How to use java to find data in small data sets?
We have to find some data according to three input data fields Search must be fast There are only about 20 possible se…… -
How to override generic list return types in Java
I tried to override a method whose return type is a list in a subclass, as shown in the following example. Due to gene…… -
Strange Java HashMap behavior – no matching object found
When I tried in Java util. When I found a key in HashMap, I encountered some strange behavior. I think I missed someth…… -
Java findbugs: suspicious comparison of long references
Findbugs identified the following error in my code: @ h_ 404_ 7@ if (materialDeFinition.getId() == deFinitionToRemoveF……