Java
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I need a basic simple java layout method
I have checked the Internet about flowlayout, group, etc. all these are useless examples I just need a basic method to…… -
java. Lang. IllegalStateException: sendredirect() cannot be called after submitting the response
Two days I tried to find out what was wrong I read here that I should add a return to the code, and then I did it, and…… -
Java – string instantiation and StringBuffer instantiation
I can't figure out if String ab = "hello"; //straight initialization String ab_1 = new String ("hello_1"); //…… -
Override Private Final methods in Java
class X1 class X1 { private final void show() { ... } } class X2 extends X1 { private final void show() { ...…… -
Open source audio library in Java
I'm looking for a similar one from un4seen（ http://www.un4seen.com/ ）Bass open source audio library for Java applica…… -
Why does Java forkcomb not cause stackoverflowerror?
I'm a new programmer. I'm trying to teach myself what causes stackoverflow I play with loops and cause errors, but the…… -
Loop stop Java
For the following code, when "n" is about 100000, it will stop running I need it to run to a million I don't know what…… -
Java – generics – what am I missing or what’s the point?
I have the following code: public class AClass<X extends AnInterface> implements AnotherInterface { public …… -
Triangle numbers in Java
I'm new to Java. Now I want to learn better loops I did some examples, but I don't know how to make a triangle that lo…… -
Is there any priority between multiple try / catch executions in Java?
In the following program, sometimes I get the following output: Number Format Execption For input string: "abc" 123 oc…… -
String initialization and connection in Java
Everything is fine in my application, but I want to improve performance and optimize my code Which of the two is bette…… -
Connecting with Oracle in Java application
I have downloaded Oracle express 11g and installed it Now I want to connect it from a Java application This is my conn…… -
Java – getting fragmenttransaction from activity when using compatibility
So I'm developing a project that I want to run on traditional Android devices, so I use the compatibility library I us…… -
Java – common objects in Apache thrift
I wonder if I can use IDL language to define "general object" in Apache thrift, similar to the "object" class in Java …… -
Java – abstract methods have no body?
I'm a novice in Java (I've been studying for 4 months now) So my question may seem too simple My understanding is that…… -
Java – underlying datastructure of HashSet
For ArrayList, the basic datastructure is array. For LinkedList, it is a link object. For HashMap or hashtable, it can…… -
Java – written in ColdFusion Properties file
Has anyone done this? Solution You can easily do this using the underlying Java properties class: <cfscript> fos…… -
Java – rules that implement comparison methods
Like CompareTo, it must be "reflexive, antisymmetric and transitive". Are there any rules to implement the comparison …… -
Why does my really simple java program sometimes work and sometimes it doesn’t work?
I've just started using Java and only used PHP before - it's hard to find object - oriented things I am using the ecli…… -
Java: large integer error
I want to use the following mathematical formula in Java: (44334*(220*220))+ (81744*220) + 39416) When I enter the sam…… -
Java – JNI local reference table summary (512 entries)
I have more than 10000 city names that I want to display in listview I store these names as cities in the RES / values…… -
How to execute “javac and Java commands” from a java program?
Is there any way to execute "javac and Java commands" from Java programs? If so, please help me Solution Like runtime …… -
Java – how do I find a value from the HashMap closest to a specific number?
Hi, I have a HashMap < < string, double >, and a function that returns a double value called the answer I wan…… -
Java static synchronization method
What happens when two threads call static synchronization methods with different instances at the same time? Is it pos…… -
JPA – sun. After adding entitylisteners reflect. annotation. Typenotpresentexceptionproxy exception
The following crash occurred when adding entitylisteners to the application using @ entitylisteners (value = {myeventl…… -
Java – error: unable to find or load the main class test
I'm currently teaching myself ANTLR. When I finished the book "the defined ANTLR reference", I encountered a problem I…… -
Handling runtime exceptions in Java
I have the following code try{//do something } catch (Exception e) { log.error(e,e); if (e inst…… -
Java – SVN deletes files. How can I recover them?
I use eclipse and subversion in Ubuntu Linux Today, I created some new Java class files and edited the old files (thes…… -
Graphic implementation in Java
I'm trying to create a graph class that uses another class. The vertex class represents all the vertices of the graph …… -
Java – returns two different values from the method
I have a method to parse the string record list into an object and return the object list So my method signature is li…… -
Concurrency – redundancy without central control points?
If you can provide services to multiple clients, if the server providing this service fails, another server will occup…… -
Java – insert jlabel into jcombobox
http://prntscr.com/1gpdqe Sorry, this is my first time to attend this forum Can someone help me? I've been trying to J……