包含标签：Java 的文章
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Java-8 – how to skip from files Lines gets the even number of rows of the stream
In this case, there are only odd rows of meaningful data, and there are no characters that uniquely identify these row…… -
How to implement generic functions in Java?
According to my understanding, the following generic functions in Java: public static <T> T f(T x) { Integer[…… -
Why is there no index in the Java 8 stream?
I want to know about Java 8 streams (stream < E >), which have the following methods: > forEach(Consumer<…… -
Java – NetBeans and external configuration files
I am developing a java desktop application and want to have an external configuration file Solution You can add it to …… -
Java – appengine gzip compression
I'm trying to gzip response from gae server, but I received null in content encoding I have the following code: connec…… -
java – Window,Document vs. $wnd,$doc
I know that the following is some of the same in GWT: Window and $wnd Document and $doc Is there any difference except…… -
Java – how to merge in jgit?
How do I merge in J git? Suppose I want to merge master with foo branch, what should I do? Solution To merge, you can …… -
JUnit ant task – JUnit task not found
I'm trying to build from my ant Run JUnit test from the. XML file I read here, you can use JUnit Jar file instead of u…… -
Java – rock material look and feel Download
Where can I download material L & F for swing? Solution Incredibly malicious Java Net transformation has discarded…… -
Java – setter method in constructor
Get a problem I have public class Student{ private String studentNumber; private String studentName; pr…… -
How to evaluate the next statement when null is returned in Java?
How do I execute the following JavaScript code in Java? var result = getA() || getB() || getC() || 'all of them were u…… -
Java noclassdeffound error
I'm trying to run a basic hibernate program I try Google 'ing it and include the following jar files in my classpath: …… -
Text navigation in Java – JDB does not work in bash
When I run JDB in Bash, the arrow keys generate strange garbage: up: ^[[A down: ^[[B left: ^[[D right: ^[[C So I can't…… -
Java – how do I use prepackaged and swing HTML text?
How do I use CSS white space properties Solution You can try to support CSS 2.1 https://code.google.com/p/flying-sauce…… -
Java – get the previous value of the object field hibernate JPA
Let's assume I have this course: @EntityListeners({MyListener.class}) class MyClass { String name; String surname;…… -
Java – how to detect that a new value has been added to the enumeration and is not processed in the switch
From time to time, I want to add a new value to the enumeration type of the project public enum Day { SUNDAY,MONDAY,…… -
Java – enumeration with getter
Can enumerations use vendors to store references to getter methods? Use this: String value = myEnum.getValue(object) I…… -
Enhanced for loop cannot assign values to arrays (Java)
See the English answer > why Java foreach doesn't change element value? 7 int[] array = new int[5]; for(int i =…… -
Java – how to escape a string to be passed to decimalformat
Can I know how to escape a string to decimal format? // currencySymbolPrefix can be any string. NumberFormat numberFor…… -
Java – why do we call acceptor Accept() instead of visitor Visit() to start visitor?
In Wikipedia sample and GOF books, the use of visitor mode is initiated by calling the accept method on a recipient Bu…… -
How do I reference a class type whose interface is implemented in Java?
I encountered an interface problem in a program I want to create an interface that has a method that receives / return…… -
Java – allows users to enter only positive integers (no decimals or strings)?
I know how to ask users to enter positive integers, but I don't know how to handle code to avoid input errors, such as…… -
Java – why can’t static and default interface methods be synchronized but can be strictfp?
See English answers > what is the reason why "synchronized" is not allowed in Java 8 interface methods? 1 People sa…… -
Advanced array sorting / rearranging in Java
So I have an array with the following theoretical values: int[] elements = {A1,A2,B1,B2,A3,A4,B3,B4,C1,C2,D1,D2,C3,C4,…… -
Does Java – hibernate have to drive database design?
I spent a lot of time reading various articles / tutorials about hibernate yesterday. Although I was shocked by its po…… -
Read two text files at the same time – Java
I have text files in two different languages, which are aligned line by line That is, the first line in textfile1 shou…… -
Java EE – can I use Java 8 syntax in a Java EE 7 project?
Sorry for this stupid beginner's question, but I can't get a clear answer: Can I use Lambdas, method pointers, streams…… -
A pure Java alternative to Jai imageio for detecting CMYK images
First, I would like to explain the situation / requirements that led to the problem: In our web application, we cannot…… -
HashMap returned by Java What is the collection of values () methods?
Java se 6.0 API util. The values () method in HashMap returns a collection type How does the JVM decide which collecti…… -
Java – how to set onclicklistener for Scrollview?
I'm developing an Android project with viewpager I wrote an adapter for my viewpager. My adapter consists of s Scrollv…… -
Java – algorithm for looping arrays from the middle to the outside?
I'm working on a divide and conquer algorithm (actually fitting the curve to multiple input points) For the "split" pa…… -
Java – set the project to UTF-8 encoding, and the default character set returns windows-1252
I have a coding problem I'm not sure if it's ide related, but I'm using NetBeans 7.4 I got this code in the J2EE proje……