包含标签：Java 的文章
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Java – what is the difference between jaxp, JDOM, Dom4j and Xerces?
What's the difference between them? It is said that jaxp is just an API specification, which is implemented by JDOM an…… -
Java – can sockets accessed in different programming languages communicate?
Is the socket programming language independent? Can I keep the server written in Java and the client written in C? Sol…… -
Java – the program continues to run despite the interruptedexception
I started learning Java, and now I'm in the concurrency chapter After reading something about concurrency, I tried my …… -
Java – (simple) dateformat, allowing 24:00:00 and 00:00:00 as input
I've been looking for this, but I haven't succeeded so far Do you know if there is a "dateformat" ish class, which wil…… -
2D array problem Java
If I have a 2D array arr [rows] [columns], how can I find the size of rows and columns respectively with arr.length? S…… -
Java – unconditionally execute tasks in ant?
I'm trying to define the task of sending (using echo) messages when the target completes execution, whether the target…… -
Java – sample programs are required to throw interruptedexception
I'm going through Chapter 9 (threads) of Kathy Sierra scjp 1.5, which is mentioned: I just need a sample program to kn…… -
Java – you can specify an integer value for char, but you cannot assign an integer variable to char
Why not compile the following code int n = 5; char c = n; But the following compilation char c = 5; In both cases, don…… -
Display graphics – free Java library
See English answers > drawing graphs on Java [closed] 6 Solution There is an open source version of JGraph -
How to convert TIF to PNG in Java?
What is the best way to convert TIF files to PNG in Java? Simplicity is desirable, but if the easiest way is to use a …… -
Qualified variables for garbage collection in Java
I was preparing for ocpjp, and I was trapped in the following mock exam questions: Whereas: 3. interface Animal { void…… -
Java – when to use doget, dopost, and service
See English answers > doget and dopost in servlets5 >Dopost has no limit on the number of parameters, while doge…… -
How do I change the background color of jtabbedpane?
I know you can modify the LAF properties, but if you don't, how can you do it? I'm just asking, because setbackground …… -
Java – missing twitter4j authentication credentials
I want to use Twitter 4J to tweet in my android app This is my code: //TWITTER SHARE. @Click (R.id. img_btn_twitter) @…… -
How to use guava predictions as a filter in the Java 8 stream API
Guava predictions cannot be used as a filter for the Java 8 streaming API For example, this is not possible: Number fi…… -
Java – Functional Programming: how to handle exceptions or their equivalents in functional programming
Let's say I have the following code public int divide(int dividend,int divisor) { if( divisor == 0 || (dividend ==…… -
Java – how does this cause deadlocks?
I was brushing my java and was asked this question in the exercise How can the following cause deadlock? private Objec…… -
Logical operations on Java enumerations
I have a project where I have to deal with different subsets of large data sets in different scenarios The way I write…… -
Using private methods from another class in Java
I have two classes: public class Class1{} public class Class2{ private void simpleMethod(){ /*...*/ } } In class2,…… -
Convert int to object in Java
I have a problem: I work in an eclipse environment Sometimes the computer does not give the following conversion: int …… -
Java – JPA criteriabuilder upper gives a compilation error
I am trying to use criteriabuilder for case insensitive queries, as described in Hibernate JPA criteriabuilder ignore …… -
Java – a regular expression used to split a German address into its parts
Good evening, I tried to split the parts of the German address string into its parts through Java Does anyone know reg…… -
java – Quartz StatefulJob / non-StatefulJob
Can you explain to me the exact average value of statefuljob in quartz, which is different from that without statefulj…… -
Java – how to set a custom object in the JTable line
I should first tell it that this is not about rendering table cells This is the tablemodel I'm building using a 2D arr…… -
Modifying private instance variables in Java
See English answers > java private field visibility6 public class Account { private String name; private do…… -
JavaFX changelistener is not always valid
I have a JavaFX application and have a concurrent task there Because the binding does not append new text to the texta…… -
How to get the logical part of a sentence in Java?
Suppose there is a sentence: On March 1,he was born. Change it to He was born on March 1. Without breaking the meaning…… -
Java – find non-public elements between two arrays
In an interview, people were asked to find unusual elements between two string arrays Eg: String a[]={"a","b","c","d"}…… -
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How do I get string values from ArrayList and store them in a comma separated single string in Java 8?
I have an ArrayList with some strings I want to store the list of numbers in ArrayList in a single string separated by…… -
Java – parse byte array containing unknown length field
I parse a byte array with the following specifications in Java: Trace data format: - 4 bytes containing the Id. ……