In this chapter we will discuss some of this1 This is used inside a class, and it points to a reference to an object.Package Com.ray.ch01;public class Test {private Test gettest () {return this;} public static void Main (string[] args) {}}The this
1, encountered the problem: in the For loop operation Zip file (the file name contains Chinese), the error is as follows: Exception in thread "main" Java.lang.IllegalArgumentException:MALFORMEDat java.util.zip.ZipCoder.toString ( zipcoder.java:58)
Before you begin, it is recommended that you take a look at the Eclipse shortcuts article, which will bring you a lot of convenience. The Eclipse Juno version (Eclipse 4.2) is used in this article to give you 3 tips before you start!
Do not
This is in the blog Park wrote the first blog, has entered the blog park for some time, want to write down some of their own technical problems and solutions, of course, the main content is about programming aspects of the content, now is just
I. Basic components of Java1. Keywords-words that are given special meanings???????????? Learn the process of Java to remember.2. Identifier---refers to the name (class name, object name, variable name, function name, object name, etc.)? ? ? ????????
Hello everyone, here I come again!! LA, I know you miss me very much, I want to quickly write more articles to improve their level, well, I am from you. Now come with me. Java Phase II, applause, applause!!!Chapter II:In this chapter, I'm going to
GuiGraghical user Interface (GUI)Java provides GUI for objects that exist in java.awt and java.swing packagesJava's GUI does a really good job of just C + + and so on. Not going to waste too much time on this.A simple window Demopublic static void
I. Basic composition of Java 1. Keywords-words that are given special meanings???????????? Learn the process of Java to remember.2. Identifier---refers to the name (class name, object name, variable name, function name, object name, etc.)? ? ? ??????
The collection interface is the basis of the set-up framework. It declares the core method of all collections. These methods are summarized in the following table.Because all collections are implemented collection, it is necessary to be familiar
Packagewrittenexamination;/** * @authorLindaz * @date October 22, 2015 * @todo find the number of occurrences only once in the array, and the remaining numbers appear two times*/ Public classOnce { Public Static voidMain (string[] args) {int[] Nums =
Final keyword, the university has never understood, accompany to work, depressed ... Or maybe the university really didn't study hard. First of all, final give a look at English words is not the final, what is the final?Xiao Zhang now take everyone
0. IntroductionWhy use caching? As website traffic grows, database IO will become a bottleneck early on, while using caching can cause database bottlenecks to arrive late, improving site performance. How does a Java Web project use caching? The
This section to talk about arithmetic operators1. Automatic conversion of the result type.Package Com.ray.ch01;public class Test {public static void main (string[] args) {int a = 2, b = 3;int c = A/b;int D = b/ A System.out.println (c);
------Java Training, Android training, iOS training,. NET training, look forward to communicating with you! -------Www.itheima.comFirst, object-oriented is an idea.There is a process-oriented idea, object-oriented is based on process-oriented.For
In Java5, the lock object is specially provided, and the lock can be used to control the concurrent access of competing resources, which is mainly concentrated under the Java.util.concurrent.locks package, which has three important interfaces
JAVA exception and Exception Handling Methods
Exception
This is my teacher's preference: that is to say, I will show you a picture as soon as I come up -_-
This is one:
Exception classification chart
Come on, there is a common exception with
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