Java 归档 - Page 306 of 655

Java – Solr cannot load MySQL JDBC Driver

I use Solr 4.6 on Mac 1. I try to find out how to load data from MySQL using data import But I couldn't load the jdbc ……

Java

2020-02-20

Java – operation is not allowed after the resultset is closed

Well, he has been trying to solve this problem for the past two days Statement statement = con.createStatement(); ……

Java

2020-02-20

Java – how to disable closing the keyboard if you press done on the keyboard

When the user presses "finish" on the soft keyboard, the keyboard closes I want it to be turned off only when certain ……

Java

2020-02-20

How to use CSS in JavaFX to animate?

I want to change the style of the node by changing its style class Button button = new Button(); button.getStyleClass(……

Java

2020-02-20

Mix of slider and progress bar JavaFX

I want to click ProgressBar on the slider And learn a certain proportion of the track I need to create progress in a m……

Java

2020-02-20

Java, generics don’t work

In my opinion, it should work, but that's not the case Why? Source code: package javaapplication1; import java.util.*……

Java

2020-02-20

Java – difference between bounded type parameters and upper bound wildcards

I know a similar question has been released, although I think I have some differences Suppose you have two methods: //……

Java

2020-02-20

Java – eclipse Juno – why is there no warning to use uncommented private fields?

In previous versions of eclipse, this worked correctly Error / warning I checked "unused private fields" – > warnin……

Java

2020-02-20

Date timezone conversion in Java?

The most direct code I can think of is: SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String in……

Java

2020-02-20

How to use Java library. Add rxtxserial to path?

See English answer > java lang.UnsatisfiedLinkError: no rxtxSerial in java. library. path11 java.lang.UnsatisfiedLi……

Java

2020-02-20

Monitoring Java Web applications – is JMX the right choice?

We have a Java Web application. We want to set up some basic monitoring in order to expand this monitoring in the futu……

Java

2020-02-20

Recognizing images with the same content in Java

Some time ago, I spent some time looking for ways to determine whether the two images are the same to answer this ques……

Java

2020-02-20

Java null behavior

I'm trying to understand how null works in Java If we assign null to any object, what happens after the scene? Does it……

Java

2020-02-20

Java – no resource matching the given name can be found (in ‘text’, the value is’ @ string / continue_label ‘)

Let me start by saying I'm a brand new Android programmer I'm using pragmatic's Hello Android book (3rd Edition) I'm s……

Java

2020-02-20

Java – calculated group by field in mongodb

For this example in the mongodb document, how to write a query using mongotemplate? db.sales.aggregate( [ { ……

Java

2020-02-20

Can we call “case” in another case in the same switch statement of Java?

My intention is to call two case in another case in the same switch statement. switch (orderType) { case 1: ……

Java

2020-02-20

Java – Eclipse: save without save operation

This hope is easy: I seem to remember a keyboard shortcut or menu modifier for saving files and temporarily disabling ……

Java

2020-02-20

Java import statement

I use Java on Debian 5 Why is there a difference between the following? Case 1: import java.util.*; Case 2: import jav……

Java

2020-02-20

java – Injector. getInstance(..) Returns a new instance of the singleton

My module: bind( Translator.class ).to( TranslatorImpl.class ).in( Scopes.SINGLETON ); Now I hope to get the same inst……

Java

2020-02-20

Java – how do i disable code splitting in GWT?

We have a very large GWT project, resulting in a 2 Mb monolithic application The obvious way to break it is to use spl……

Java

2020-02-20

Representing numbers in byte arrays (Java programming)

I tried to use a two byte array to represent port number 9876 (or 0x2694 in hexadecimal): class foo { public stat……

Java

2020-02-20

Graphics are not displayed in jlayeredpane (Java Swing)

I'm trying to build an image based on user input step by step What I'm trying to do is create a bunch of graphics and ……

Java

2020-02-20

Java – string array mismatch

My program shows a series of questions (one by one) After I have written my answer, a warning message should tell me w……

Java

2020-02-20

How to hide the internal structure of the Java API to the rest of the world

I'm developing a Java API to do things (secret, uh, them) Is there any way to hide classes and the internal structure ……

Java

2020-02-20

Java – use webservicetemplate and keystore

Can I configure a web service template using a Java keystore? Edit I'm looking for a way to configure the keystore loc……

Java

2020-02-20

Java – how to implement the JSR specification

I am considering implementing one or two JSR APIs I haven't read the entire specification (the plan is to read them wh……

Java

2020-02-20

Java – lastindexof() finds the last alphanumeric character

I have a string in which I need to find the last alphanumeric character No matter what the last alphanumeric character……

Java

2020-02-20

Java EE – startup bean not called

I created a Java Web application project in NetBeans and created a startup bean in it: package malibu.util; import ja……

Java

2020-02-20

Java – can I add breakpoints to classes where I don’t have source code?

I want to add breakpoints to classes in eclipse, but I don't have its source code Is it possible to add breakpoints to……

Java

2020-02-20

Java – gson deserializes the interface of its class implementation

I'm using retrofit 2.1 0 and converter gson: 2.1 0 and gson alone: 2.6 2. Customize serialization / deserialization Th……

Java

2020-02-20

Java – how to get rid of the mouse cursor in full screen exclusive mode?

I am using a simple 2D game engine in Java, and have not encountered fSEM, buffer strategy and other problems; My prob……

Java

2020-02-20

Java pdfbox – read and modify PDF (Metaphone) with special characters

I'm trying to modify the PDF using this method (the first code block – use the pdfstreamparser and iterate over the pd……

Java

2020-02-19

搜索内容

Java – Solr cannot load MySQL JDBC Driver

Java – operation is not allowed after the resultset is closed

Java – how to disable closing the keyboard if you press done on the keyboard

How to use CSS in JavaFX to animate?

Mix of slider and progress bar JavaFX

Java, generics don’t work

Java – difference between bounded type parameters and upper bound wildcards

Java – eclipse Juno – why is there no warning to use uncommented private fields?

Date timezone conversion in Java?

How to use Java library. Add rxtxserial to path?

Monitoring Java Web applications – is JMX the right choice?

Recognizing images with the same content in Java

Java null behavior

Java – no resource matching the given name can be found (in ‘text’, the value is’ @ string / continue_label ‘)

Java – calculated group by field in mongodb

Can we call “case” in another case in the same switch statement of Java?

Java – Eclipse: save without save operation

Java import statement

java – Injector. getInstance(..) Returns a new instance of the singleton

Java – how do i disable code splitting in GWT?

Representing numbers in byte arrays (Java programming)

Graphics are not displayed in jlayeredpane (Java Swing)

Java – string array mismatch

How to hide the internal structure of the Java API to the rest of the world

Java – use webservicetemplate and keystore

Java – how to implement the JSR specification

Java – lastindexof() finds the last alphanumeric character

Java EE – startup bean not called

Java – can I add breakpoints to classes where I don’t have source code?

Java – gson deserializes the interface of its class implementation

Java – how to get rid of the mouse cursor in full screen exclusive mode?

Java pdfbox – read and modify PDF (Metaphone) with special characters

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