包含标签：Java 的文章
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Java – lwjgl cannot find the display class
I have installed lwjgl into the Java project. I can't import the display class import org.lwjgl.opengl.display; An uns…… -
Java – swing text editor, color and highlight
I am writing an application that users need to write a JavaScript script as input. Now I have a simple jtextarea, but …… -
Java – how to delete objects from the stream in the foreach method?
I have to use arrays: arra and ARRB Arra and ARRB are lists of different types of objects. The add function converts o…… -
How to create a reordering tableview in JavaFX
I have a JavaFX tableview I want to allow users to click and drag to reorder table rows I can't seem to find any way t…… -
Why does Java’s schedulewithfixeddelay use runnable instead of futuretask Packaging runnable?
Why does Java's schedulewithfixeddelay use runnable instead of futuretask to wrap runnable? It can be easily displayed…… -
Java – sort the (array) list in a specific order
I have a list of objects that I want to sort in a defined order Before sorting: After sorting: orange …… -
Tricky Java programs
Look at the following code, please help me solve this problem class TestTrick{ public static void main(String arg…… -
How to read comma separated values from text files in Java?
I have this text file, which contains the latitude and longitude values of different points on the map How do I divide…… -
How to use webdriver selenium to get the value of the “style” element
I want to check whether the value of a style element is greater than a specific value (that is, is it > 666px?), Bu…… -
Java: scheduling tasks at random intervals
I'm new to Java. I'm trying to generate a task that runs every 5 to 10 seconds, so any time interval between 5 and 10,…… -
Java – eclipse generates getters / setters for domain objects and class members with’m ‘suffixes
I have a small problem with the getter and setter methods generated in my domain object class User{ String mName; List…… -
Java – print the inversion of any string without using any predefined functions?
How to print the reverse of string Java is an object-oriented language without using any predefined functions, such as…… -
Can I write variable names with hyphens in Java?
I use gson in my application I have the following JSON responses: { "success":true,"person-name": "John" } So I'm cr…… -
java. Lang. class and equal
According to the Javadoc of the class But when I ran down there int[] intArray = { 1,2 }; out.println(intArray.getClas…… -
Java observer and observable do not work properly between applications
I have an application that contains the main JFrame of the default list model I hope that if I modify the contents of …… -
Java – mockito: how to test that a constructor is called?
I'm using mockito to test methods in Java applications How to test that the constructor is called once? I'm trying a s…… -
Java – JIT optimization and weak references
I have the following code: private final List<WeakReference<T>> slaves; public void updateOrdering() { …… -
Java – set the most important bit by bit
I want to find the most important bit set to 1 I've tried all possible ways from & oring all bits from 1 to 31, it…… -
Java – bad operand type of binary operator ‘^’
Try to create a recursive method to promote a double value to the int permission of the java course The instruction sa…… -
Java – how to read an integer separated by spaces into an array
There's a problem with my project because I can't get the correct start, reading integer rows separated by user spaces…… -
Why is the scope of switch statements in Java unlimited?
Why in Java, the scope of variables is limited to switch blocks rather than case blocks For example, // Scope limited …… -
Java – how to generate an IP address range given the start and end IP addresses?
How do I generate a series of IP addresses from the start and end IP addresses? Network example "192.168.0.0/24": Stri…… -
Java – accessing property files in spring expression language
I created a simple web application using spring boot with thymeleaf I use application Properties file as configuration…… -
Java: I have a large string of HTML and need to extract href = “…” text
I have this string that contains a chunk of HTML. I try to extract the link from the href = "..." part of the string H…… -
java – SimpleDateFormat. Parse () – generates incorrect dates for different date formats
Here is my code for parsing dates using the simpledateformat pattern: String pattern = "yyyy-MM-dd"; SimpleDateFor…… -
Java – should I always use generics?
I created a unit test: new Callable() { @Override public Object call() throws ..... I received a warning in E…… -
Java – how do I close a socket immediately, bypassing the timeout period?
In Java, when you close a socket, it doesn't do anything, but it actually closes the TCP connection after the timeout …… -
Java – create new instances of classes or allocate only space in memory?
UPDATE public Fish mate(Fish other){ if (this.health > 0 && other.health > 0 && this.closeEnou…… -
Java JTable does not display gridlines
I showed a JTable. In JPanel JTable is located in a scrolling window table.setShowGrid(true); Here is a picture: note …… -
Java – how to make good GUI design in swing
Hello stackoverflow family I developed a Java Swing application, but I want to improve the design of my swing framewor…… -
Java – invariance and readability
So I have been reading effective java written by Joshua Bloch and noticed two points I encountered in my work Point 1:…… -
Can a java program know its current directory?
Can a Java application know its own current directory I am referring to the results of PWD For example, when executing……