out of bounds exception

Introduction Drip, the next day card. Five, key words -static-Initialization order-Static variables and static statement blocks take precedence over instance variables and normal statement blocks, and the order in which static variables and

two main interfaces: Collection and Map interfacesFirst, Collection interface:Sub-Interface: 1>list (Sequence): Orderly and repeatable, common implementation class:ArrayList(array sequence)2>queue (Queue): Common Implementation

Transferred from: http://www.importnew.com/14688.html1. Java Exception HierarchyException refers to the various conditions, such as: file cannot be found, network connection failure, illegal parameters and so on. An exception is an event that

This article focuses on some concepts of exception mechanisms in Java. The purpose of writing this article is to help me remember these things quickly after a long time. 1. Exception mechanism 1.1 The exception mechanism refers to how the program

An array is a syntax used to store multiple data arrays of the same type. The array type [] array name = new array type [array length]; The array declaration has two forms: array type [] array name; array type array name []; Int [] is; int is [];

The list in Java inherits from the collection interface. The list is an ordered collection, using this interface to precisely control where each element is inserted. The user is able to access the elements in the list using an index (where the

1. Concepta collection of the same type of data.  The array is actually a container . 2. Benefits of Arrays The elements in the array can be automatically numbered starting with 0, allowing them to be manipulated. 3. format 1: element type []

This is only the core of the algorithm, of course, there are some optimizations, but are based on the following algorithms to expand.1 PackageCom.meession.javaDataStruct.QuickSort;2 3 /**4 * Fast algorithm idea:5 * based on the bubble sort, the

Exception Handling1.Java Language How to do exception handling, keywords: throws, throw, try, catch, finally how to use each? Java uses an object-oriented approach to exception handling, classifies various exceptions, and provides a good interface.

Definition of a function What is a function? • A function is a separate applet defined in a class that has a specific function. • Functions are also called methods. The format of the function :• modifier Returns a value type

12-21java object-oriented exception1. Exception An exception is a type of command flow that causes program interruption. Public class TestException1 {public static void main (String [] args) {int I = 10; // defines the integer variable int j = 0; //

Java intercept backslash ReplaceAll and split ("\") Problem resolutionXxx.split ("\ \") is obviously not getting the results you want.Correct methodXxx.split ("\\\\");The reasons are as follows:In Java to deal with some path-related problems, such

Day five and javafive Rectangle Width High height Area Employee Tool Param Version Author Math Guess Resources Previous word review Path Public Static System Constant Char character type Double Boolean False Javaproject java project java

Graphic set 5: incorrect use of HashMap causes infinite loops and element loss, correct hashmap Problem cause The previous article explains the implementation principle of HashMap and explains that HashMap is NOT thread-safe. So What problems does

[JAVA & #183; elementary]: 15. Exception Handling MechanismDefinition Java exceptions are a mechanism provided by Java to handle errors in programs. JAVA uses an object-oriented method to handle exceptions. Processing Process: Throw an exception: if

Functions, memory, one-dimensional array, two-dimensional array [4], two-dimensional array of dimensions Author: pipi-changingOriginal Source: http://www.cnblogs.com/pipi-changing/　　　　The copyright of this article is shared by the author

Program: A collection of a set of instructions written in a language to accomplish a particular task. That refers to a static Code, static object. Process: is a process of execution of a program, or a program that is running. Dynamic process:

Recently, when you read the book "Java Virtual Machine in action", see the following example of a multi-threaded use of ArrayList in the Lock and Concurrency section:Two threads t1 and t2 add data to numberlist at the same time, because ArrayList is

Welcome to my repo and I co-editor: Https://github.com/archimekai/JavaABCCommon minor problems in JAVA Abc:javaNote: Jdkapi document (http://docs.oracle.com/javase/8/docs/api/index.html or download CHM format from Http://cf.pku.cn/tds/java)The

Recently, in the code, the page used to JavaScript, purely self-study, so scattered to record some of the recent use of many functions, the wrong more than some aspects.　　　　　　　　　　　　　　　　　　　　　　　　　　　　On JSP pages, there are nine large built-in objects