包含标签：Java 的文章
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Java – how to use onclicklistener in the recycle bin view?
See English answer > recyclerview onclick34 package com.albumlist.albumlist; import android.content.Context; impor…… -
Java – iterative weakhashmap
I also use weakhashmap I want to implement fine-grained locking based on an integer parameter; If thread a needs to mo…… -
Java – how to automatically split large strings in IntelliJ ideas?
I'm testing with a long string So I need to split such a large string: privat static final String TOO_LONG_JSON = "{fi…… -
Java – JScrollPane needs to be narrowed down
I have a JScrollPane with a JPanel inside (the panel contains some jlabels) I want to resize the scroll pane to actual…… -
Make a very large Java array
I'm trying to find a reverse example. P ó lya project will be 900 million somewhere I use a very efficient algorithm t…… -
Java – how do I determine which monitor the swing mouse event occurs on?
I have a Java mouselistener on the component to detect mouse press How do I know which monitor to press with the mouse…… -
How to quickly capture screenshots in Java?
I am implementing a simple eye tracker, which requires fast screen synchronization to capture video from webcam The th…… -
Java – fastest way to check string size
I have the following code in the loop statement if (sb.toString().getBytes("UTF-8").length >= 5242880) { // Do …… -
MediaPlayer. Java. In the displaying () method lang.IllegalStateException
public static MediaPlayer mp=null; public static MediaPlayer mp=null; public static void playGeneric(int name,final Im…… -
Use “this” and method (in Java)
What about using the "this" method in Java? Are there selective or mandatory situations? The only thing I encountered …… -
Does Java – Maven dependency plugin use the same other types of artifact resolution as other mavens?
If I use the Maven dependency plugin, I cannot use the version range In addition, it seems that the version of a defin…… -
Java EE – compare openejb with GlassFish
Can we replace GlassFish with Tomcat / openejb for lighter applications? What are the limitations of openejb instead o…… -
Java – notificationlistenerservice: NullPointerException on getactivenotifications
According to this tutorial, I try to implement notificationlistenerservice in my application: http://www.kpbird.com/20…… -
How to call C from Java?
I want to call a C method from Java I read about JNI, but I didn't get how to get all the library files. I should keep…… -
Java – Reference “this” when calling the super constructor?
I have a Class A and write a subclass B. only one constructor is parameterized B must call this super constructor of A…… -
java 7 uuid bug？
I believe I may have found a UUID multithreading error in Oracle java7 update 5. I wonder if anyone can confirm it wit…… -
Java – how do I get a subclass recorder?
I have a subclass and a superclass In superclasses, I have a way to record something When I create an instance of a su…… -
Java – nested bounded wildcards
When I try to compile the following code: LinkedList<List<? extends Number>> numList = new LinkedList<L…… -
Java – vector graphics in IText pdf
We use iText to generate PDF from Java (based in part on the suggestions on this website) However, embedding an image …… -
Java – forces JTable to model “commit” data while still in edit mode
I have a JTable as follows Therefore, when JTable is still in edit mode (a keyboard cursor flashes in the divide colum…… -
Java – random and uniform distribution
I know that if I use the random generator in Java and generate numbers with nextint, the numbers will be evenly distri…… -
Java – what is the difference between length and length?
See English answer > length and length () in java7 arrayone.length; However, for things like array lists or strings…… -
How to get the root node attribute on Java
I have an XML file, as shown below I want to get the latitude and longitude attributes of the pharmacy node I can get …… -
Datetime – dome minutes using java 8
So I was lucky to use Java 8 and the new time API, but I didn't see any rounding function Basically, if the time is 20…… -
Java – spring security and LDAP authentication
I'm trying to set up LDAP authentication. This is my spring security XML file: <?xml version="1.0" encoding="UTF-8"…… -
Nesting enumerations in Java
I want to nest some enumerations The object I represent is flags, with type and value There are discrete types, each w…… -
Java – why does one loop throw a concurrentmodificationexception while the other does not?
I encountered this problem when I was writing a travel salesman plan For the inner loop, I tried one for(Point x:Array…… -
Cassandra Java driver: how many touchpoints are reasonable?
In Java, I connect to the cussandra cluster as follows: Cluster cluster = Cluster.builder().addContactPoints("host-001…… -
Java – why (long) 9223372036854665200d give me 9223372036854665216?
I know the strange things of precision error, but I can't understand it, Why did the (long) 9223372036854665200d give …… -
Java – hibernate noob fetch join problem
I have two classes test2 and test3 Test2 has a property test3, which is an instance of test3 In other words, I have a …… -
Java – mockito style anyxxx unit test method
When unit testing some methods, some situations may occur. The value of some parameters is not important and can be an…… -
Java – sipdroid – another incoming call is not displayed, while another continues
I have installed sipdroid I made three accounts in sip2sip The question is: if I use SIP to call the same phone multip……