包含标签：Java 的文章
-
How to add multiline labels on the Java GUI?
I made a Java Swing GUI Now I want to display a static message on it, but the message is multi line and jlabel is sing…… -
What is the purpose of the enum class introduced in Java 5?
My suggestion: 1) The two enumerations only exist before compilation (like generics; but I've never heard anything abo…… -
Java – moves all zero values in a large array to the front of it in a time efficient manner
You will get a large array with integral type values. How can you move all zero values to the front of the array in a …… -
How do the consumer and begin methods work within the Java functional interface
Who can let me know how the following procedures work internally: public class Main { public static void main(String…… -
Java – how do I automatically log in to this site using system credentials?
I need to develop a web application for intranet users I don't want them to enter login credentials every time they vi…… -
Java string to int
I have a string of about 150 numbers, such as string num = "64513246563....."; I'm trying to add every number of this …… -
Java swing – JPanel and GridLayout margins / padding
I'm trying to build a chess game in Java. I'm having some trouble getting the GUI exactly the way I want using swing I…… -
Java – format date on jspinner
I have a jspinner in the format yyyy MM DD HH: mm: SS The problem is that the spinner 'HH' can only reach the value of…… -
Java – system. Java used by threads Setproperty affects other threads that communicate with external network elements How?
In my application, I have two threads Each thread communicates with a different external entity Let's say T1 – > N1…… -
Java – why can’t we overload a method based on the throws exception?
Why can't we overload methods that have the same return type, name, and parameters but have some exceptions thrown? As…… -
Java – check whether the condition is’ null ‘
I have questions about checking null conditions For example: if(some conditon) value1= value; //value1 is string type…… -
java – System. out. Println () is a field method?
If out is a field of the system class How can you use the println () method in a field? Where does this println () met…… -
Where can I download the source code of Java se (Java. Lang, Java. Util, & C.)?
See English answers > Where can I see the source code of the sun JDK? 10 Solution The source code comes with the Ja…… -
Java – how to create email links in POI word format
How do I create external links or e-mail links in xwpfdocument? There is a description about excel (HSSF xssf), but I …… -
Java – how to create a very large BigInteger
I need to add two very large integers 46376937677490009712648124896970078050417018260538 + 371072875339021027987979982…… -
Using Java awt. Basicstroke animated dashed line
Is there any way to use Java Basic stroke in AWT generates animated dashed lines? My wish is to run the dotted line in…… -
Converting long to byte in Java
I can't understand the following: In Java, long l = 130L; byte b = (byte)l; If I print the value of B, why do I get …… -
Java: how to use the w3c. Wrap all elements in DOM?
My goal is to wrap each DOM element (node. Element_node) in the current org. Org w3c. dom. On the document, the label …… -
Convert GMT to ist in Java?
I have a GMT field where the user enters the time to convert to IST (for example, in the hour field 18, the minute fie…… -
Java – the difference between spring JDBC template and Hibernate
See English answers > spring hibernate vs JDBC template vs spring ORM [closed] 1 thank you Solution Hibernate is a …… -
Return sorted list in Java
I'm writing this Code: List<Bean> beans = service.findBeans(); Collections.sort(beans,new BeanComparator()); ret…… -
Java – what is the difference between Seda, VM and direct? Use camel to explain it. Use an example
I worked with Seda and read documents directly with me Still can't imagine the use and directness of Seda VM is new to…… -
Java – why is the Boolean value from this array to 2D array true?
Hi, I happened to meet the code sent to me by my friend and had trouble writing the second part of the print statement…… -
Multithreading – Delphi parallel programming – multithreading slow
nice day, The webcam class has about 30 frames per second, and all these frames will be saved in vectors (such as queu…… -
Java – gets the object from the selected JTable
I have a JTable to display a list of books, which can be filtered and sorted BookSwing. java package com.bookretailer.…… -
Java – how to add visual content to JPanel?
I have defined a class named stone to add graphic blocks to JPanel: public class Stone { private int x,y; pri…… -
Java – if string objects are interned, why does changing one affect others
See English answers > what is the difference between a variable, object, and reference? 5 public class EqualExample…… -
Java array creation
This is just a simple question. I can't find the answer in the document! String args[] = new String[0]; args[0] = "tes…… -
Java comprehensive list
I am looking for an open source library with a composite list implementation List list1 = new ArrayList(); list1.add("…… -
Java – returns the class name instead of the class name, and the memory address
I want the two teams to play against each other When I say team1 I call it play (team2); public class teams{ publi…… -
Java – use strings xml w / Android
I read a lot of things, but it seems that my app didn't get strings The value of a string in XML It actually seems to ……