包含标签：Java 的文章
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Java – difference between non repeatable reads and dirty reads
From this Oracle Java Tutorial: What is the difference between dirty reading and unrepeatable reading? Is this differe…… -
Byte array of unknown length in Java: Part 2
Similar to "byte array of unknown length in Java", I need to be able to write an unknown number of bytes from the data…… -
What java compiler uses JSR instructions and what?
Java bytecode language has JSR instructions None of the code I compiled with the Java 7 compiler uses this instruction…… -
Java – can you use throw instead of break in a switch statement?
Can I throw or exit a switch statement without using the break keyword? Why use throwing instead of rest? switch(numbe…… -
Java – Calendar setting year problem
I tried the following code: Calendar c1 = Calendar.getInstance(); c1.set(Calendar.YEAR,0); c1.set(Calendar.DAY_OF_YEAR…… -
Java – how to set JSF message encoding to UTF-8?
I have some user input validation code <h:form> <h:inputText value="#{user.input}"> <f:vali…… -
Java – sets the background image of the surfaceview
Is there any way to set the background image of surfaceview? Do I have to do it in XML, or can I do everything in Java…… -
Java – ehcache automatically generates keys and @ cacheable spring annotations
Does anyone know how ehcache's default key generation works? If I have the following methods: @Cacheable(cacheName = C…… -
Java – chained method format in eclipse
I want to configure the eclipse Java formatter to format chained method calls: lblName .setX(last.getX() + las…… -
The Java swing component cannot be resolved
I got the following code from the tutorial: import javax.swing.*; import java.util.Date; public class SwingGUI { …… -
Java – web surfing / browser automation
I'm creating a java program to surf the Internet, log in to my website account and publish content For example Run the…… -
Java – spring boot security displays HTTP basic auth pop-up window after login failure
I am currently creating a simple application for the school project, spring boot back end and angularjs front end, but…… -
Java – what is the purpose of WS addressing?
I'm just confused about WS addressing Wikipedia says it is a specification of a transport neutral mechanism that allow…… -
Java – spring Mongo adds standard operator and dynamic
I'm trying to create a dynamic query using user input and actions List<Criteria> criterias = new ArrayList<Cr…… -
Compress the byte array in Java and decompress it in C
I currently have the following arrays in my java program, byte[] data = new byte[800]; I want to compress it before se…… -
. Net – LINQ on LinkedList – iterates linkedlistnode instead of T
I'm having trouble understanding how to perform certain operations in LINQ I have a linked list. The type of object do…… -
Java – binary compatibility of abstract classes and subclasses
In Java, I define an abstract class, which contains concrete and abstract methods, and must be independently created b…… -
Java – size of serialized null values
I have to send a complex object over the network. These references are almost null, but I want to know the size of the…… -
Java convert converts string to int when using BufferedReader
How to convert string to int when using BufferedReader? System.out.println("input a number"); int n=Integer.parseInt(…… -
Java – dispatcher servlet spring and URL patterns
I'm new to the spring framework. Today I met web For the dispatcher servlet configuration in the XML file, I came up w…… -
Java – XPath normalize space() returns a series of normalized strings
I need to use the XPath function normalized space () to normalize the text I want to extract from the X HTML document:…… -
Java – I can deploy my on the nginx server war
I really like the stability and way of nginx And I really like Tomcat's Java and user-friendly Is there any way to dep…… -
Get heap dumps from remote applications in Java using jvisualvm
I run jvisualvm (Windows XP, Sun Java 1.6.0.13, 32-bit client VM) to monitor remote applications (Linux, Sun Java 1.6.…… -
java – . Nextval JDBC insertion problem
I try to sequence Nextval is inserted into the table as a primary key, and SQL in Java is sql = "INSERT INTO USER …… -
Java – how to control the centering of JButton HTML text in NetBeans?
I tried to put one or two lines on JButton; for example +----------+ | READER | | STOP | +----------+ But I can'…… -
No Na in R forces the conversion of characters to numbers
I work in R and have a data frame DD with a digital vector_ 2006. When I first import data, I need to delete $, decima…… -
Java – how to put Google Adsense in GWT
Does anyone know how to put Google Adsense ads in GWT web applications? Solution You can put the JavaScript code in Ad…… -
Java nested list to array conversion
What is the most effective way to convert data from a nested list to an array of objects that can be used as JTable da…… -
Java – logback – no line end delimiter
I'm using logback 0.9 21. Unfortunately, it prints all messages to a single line, without end characters, or even the …… -
How do I check if a string contains the second string in its character order?
I've just started and I'm completely lost in how to do this I want to be able to check whether the string has a smalle…… -
Get heap dumps from remote applications in Java using jvisualvm
I run jvisualvm (Windows XP, Sun Java 1.6.0.13, 32-bit client VM) to monitor remote applications (Linux, Sun Java 1.6.……