Java 归档 - Page 273 of 655

Java prints an array of objects

I know there are many web pages about this problem, but I can't understand it in my case I need to print an array of o……

Java

2020-03-16

Java – play framework routing does not work

I just want to follow the zentasks tutorial of the play framework（ http://www.playframework.com/documentation/2.1.0/J……

Java

2020-03-16

java – com. sun. AWT package usage

I found a java code and wanted to use it in my project It contains these imports that my JDK does not have: import com……

Java

2020-03-16

Java – gets the height of the textview

I have some text to put in textview I did it with settext() Now I need to find the number of lines or height of text i……

Java

2020-03-16

Java – how to add ArrayList in JSP

<html> <html> <head> <Meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1……

Java

2020-03-16

Java – in the method m of class C, is this Getclass() is always c?

In the method m of class C, is this Getclass() is always c? Solution No, No If there are subclasses class C { Class……

Java

2020-03-16

Java – how do you decide when to upgrade libraries in your project?

I work on a project that uses multiple open source Java libraries When upgrading to these libraries, we tend to follow……

Java

2020-03-16

In Java, should resources be placed in the package / source hierarchy?

Suppose I develop a game and put it into the package structure: com.dxmio.games.breakout So where is the "best practic……

Java

2020-03-16

Can I declare a 1-bit variable in Java?

My algorithm uses a huge Boolean array. As I taught, each boolean variable needs 1 byte Declare a Boolean array anyway……

Java

2020-03-16

Java DOM XML cannot get child

My XML looks like this: <ConnProf ConnProfID="1111"> <ConnNum>1</ConnNum> <IsMSPA>false<……

Java

2020-03-16

java. Lang.illegalstateexception: the response submitted in the servlet cannot be forwarded

See English answer > java Lang. IllegalStateException: cannot (forward | sendredirect | create session) after respo……

Java

2020-03-16

Javafx-2 – internal framework in JavaFX

I found this example of an internal framework http://docs.oracle.com/javase/tutorial/uiswing/components/internalframe.……

Java

2020-03-16

Java stream – the result is obtained after splitting the string twice

I have a string: String modulesToUpdate = "potato:module1,tomato:module2"; I want to get it from it: module1 module2 F……

Java

2020-03-16

Java – what is the best way to find the first repeating character in a string

I wrote the following code to detect the first duplicate character in the string public static int detectDuplicate(Str……

Java

2020-03-16

JSF – P: autocomplete itemlabel throws “class’ Java. Lang. string ‘has no attribute’ label ‘.”

I'm changing from icefaces to primefaces (I really want to change RichFaces, but I won't cause errors in the new versi……

Java

2020-03-16

In Java, is there a more elegant way to remove duplicate strings from the ArrayList of strings?

So, in short, I have a Java job assignment that needs to manipulate the long ArrayList of strings in various ways (wha……

Java

2020-03-16

Profile java code

I need to describe my java SRC code for some specific problems I am currently dealing with I've been using a trial ver……

Java

2020-03-16

Java – how to use scheme / LISP / clojure to deal with matrix / LP problems?

I need to do numerical analysis supported by MATLAB or numpy Thank you. Solution For Common Lisp, see >Matlisp: mat……

Java

2020-03-16

Java — the problem of adjusting canvas in JScrollPane in jsplitpane

I am using NetBeans GUI editor to create an application. I want to have a jsplitpane in it. The top component will be ……

Java

2020-03-16

Java – is it better for libgdx to use spritesheet or a single image?

I'm new to libgdx. I made 40 frames for the "hero run" wizard. I don't know if it's better to use spritesheet or a sin……

Java

2020-03-16

Java – how do I run unit tests against only changed source files?

Is there a way for me to run unit tests only for the Java classes it builds? For example, if MyClass If Java has expir……

Java

2020-03-16

Java – how to ignore spaces when reading files to generate XML DOM

I'm trying to read a file to generate a DOM document, but the file has spaces and newlines. I try to ignore them, but ……

Java

2020-03-16

What is the equivalent of unsigned long in Java

I wrote the following three functions for my project: WORD shuffling(WORD x) { // WORD - 4 bytes - 32 bits //given i……

Java

2020-03-16

Java – does spring provide securitycontext for threads executing hystrix commands

I'm running a spring boot application and just started integrating hystrix from spring cloud Netflix I'm using @ hystr……

Java

2020-03-16