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为了弄明白wait/notify机制，我们需要了解线程通信、volatile和synchronized关键字、wait/notify方法、Object的monitor机制等相关知识。本文将会从这几个方面详细讲解Java的wait/notify等待唤...

Java

前天 21:33

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一、Synchronized概述多个线程访问同一个资源时，需要对该资源上锁。即同时只允许一个线程访问该资源。任何线程要执行synchronized里的代码，都必须先拿到锁。synchronized底层实现，JVM并没...

Java

04/30 19:06

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本文所说的Java读取超大文件的前提条件： 1、此处所说的超大文件，是指至少2G以上，可能是10G或者更大。 2、文件内容是单行可处理的类型，通常为csv文件、txt文件等文本文件。好了，前提已说...

Java

04/29 21:24

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一、IO概念 • I/O 即输入Input/ 输出Output的缩写，其实就是计算机调度把各个存储中（包括内存和外部存储）的数据写入写出的过程； • java中用“流（stream）”来抽象表示这么一个写入写出...

Java

04/27 21:21

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一、IO概念 • I/O 即输入Input/ 输出Output的缩写，其实就是计算机调度把各个存储中（包括内存和外部存储）的数据写入写出的过程； • java中用“流（stream）”来抽象表示这么一个写入写出...

Java

04/27 21:20

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Java中使用字节流可以拷贝任何格式的文件，在这里使用四种方法测试拷贝文件耗时。 import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import...

Java

04/26 14:07

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DataInput和DataOutput两个接口分别提供了从流中读取二进制数据转化为java基本数据和向流中写入由java基本数据转成的二进制数据，功能十分强大。一、DataInput 接口用于从二进制流中读取字节...

Java

04/18 20:32

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The JavaFX TabPane is a container control which can contain multiple tabs (sections) internally, which can be displayed by clicking on the tab with the title on top of the TabPa...

JavaFX

04/16 15:14

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The JavaFX SplitPane is a container control that can contain multiple other components inside it. In other words, the SplitPane is split between the controls it contains. Betwee...

JavaFX

04/16 15:11

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The JavaFX TitledPane control is a container control which displays its content inside a a pane (box) which at the top contains a title - hence the name TitledPane. The TitledPa...

JavaFX

04/16 15:02

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The JavaFX Accordion control is a container control which can contain several sections internally, each of which can have their content expanded or collapsed. The Accordion cont...

JavaFX

04/16 10:34

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一、按字节读取内容 public class ReadFromFile { /** * 以字节为单位读取文件，常用于读二进制文件，如图片、声音、影像等文件。 */ public static void readFileByBytes(String fileName....

java

Java

04/15 22:57

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A JavaFX DirectoryChooser is a dialog that enables the user to select a directory via a file explorer from the user's local computer. The JavaFX DirectoryChooser is implemented ...

JavaFX

04/15 22:14

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A JavaFX FileChooser class (javafx.stage.FileChooser) is a dialog that enables the user to select one or more files via a file explorer from the user's local computer. The JavaF...

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JavaFX

04/15 22:07

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The JavaFX ProgressBar is a control capable of displaying the progress of some task. The progress is set as a double value between 0 and 1, where 0 means no progress and 1 means...

JavaFX

04/15 08:55

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The JavaFX Tooltip class (javafx.scene.control.Tooltip) can display a small popup with explanatory text when the user hovers the mouse over a JavaFX control. A Tooltip is a well...

JavaFX

04/15 08:31

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The JavaFX ToolBar class (javafx.scene.control.ToolBar) is a horizontal or vertical bar containing buttons or icons that are typically used to select different tools of a JavaFX...

JavaFX

04/15 08:20

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The JavaFX ToolBar class (javafx.scene.control.ToolBar) is a horizontal or vertical bar containing buttons or icons that are typically used to select different tools of a JavaFX...

JavaFX

04/15 08:15

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A JavaFX TextArea control enables users of a JavaFX application to enter text spanning multiple lines, which can then be read by the application. The JavaFX TextArea control is ...

JavaFX

04/14 21:31

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The JavaFX Slider control provides a way for the user to select a value within a given interval by sliding a handle to the desired point representing the desired value. The Java...

here

JavaFX

04/14 10:48

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