当一个线程遍历某集合时,这个集合的值被其它线程改变,该线程就会抛出ConcurrentModificationException异常。 fail-fast示例。 packageTest;importjava.util.ArrayList;importjava.util.Iterator;importjava.util.List;publicclassFastFailEX {privatestaticList<Integer> list =newArrayList<Integer>();publicstaticvoidmain(Strin...
Java集合类就是这样的工具,只要我们能够熟练使用它,它就可以显著地提高我们的工作效率、让我们事半功倍。 先说说我对Java集合框架的理解:Java集合框架不是什么高深的技术,也不是什么苦涩的知识,它只是把常用的数据结构和算法集合在一起,让我们不用重复造轮子,能更轻松地、更高效地处理数据。就像就像Oracle的Java教程...
Java Nested Map with Examples A nested Map is Map inside another Map. Learn to create a nested HashMap and add, remove and iterate over the elements with examples. Java Immutable Vs. Unmodifiable Map: What’s Difference? Learn to create immutable and unmodifiable maps in Java using Java col...
public static void PrintValues1( Int16Collection myCol ) { foreach ( Int16 i16 in myCol ) Console.WriteLine( " {0}", i16 ); Console.WriteLine(); } // Uses the enumerator. // NOTE: The foreach statement is the preferred way of enumerating the contents of a collection. public stat...
( string item in cs ) { Console.WriteLine(item); } } private static void ChangedHandler(object source, DinosaursChangedEventArgs e) { if (e.ChangeType==ChangeType.Replaced) { Console.WriteLine("{0} was replaced with {1}", e.ChangedItem, e.ReplacedWith); } else if(e.ChangeType==...
InDocumentOrder<T>(IEnumerable<T>) 返回节点集合(其中包含源集合中的所有节点),并按文档顺序排列。 Nodes<T>(IEnumerable<T>) 返回源集合中每个文档和元素的子节点集合。 Remove<T>(IEnumerable<T>) 将源集合中的每个节点从其父节点中移除。 适用于 产品版本 .NET Framework 4.0, 4.5, 4.5.1...
UrlsSection myUrlsSection = config.GetSection("MyUrls") as UrlsSection; // Add the element to the collection in the custom section. if (config.Sections["MyUrls"] != null) { UrlConfigElement urlElement = new UrlConfigElement(); urlElement.Name = "Microsoft"; urlElement.Url = "http://...
表示Title 对象集合。C# 复制 public class TitleCollection : System.Web.UI.DataVisualization.Charting.ChartNamedElementCollection<System.Web.UI.DataVisualization.Charting.Title>继承 Object Collection<T> ChartElementCollection<T> ChartNamedElementCollection<Title> TitleCollection ...
Adds a framework to theCompatibleFrameworkclass. C# publicvoidAdd(Microsoft.Build.Tasks.Deployment.ManifestUtilities.CompatibleFramework compatibleFramework); Parameters compatibleFramework CompatibleFramework The framework to add. Applies to ProduitVersions ...
ref: http://www.studytonight.com/java/collection-framework.php Collection Framework collection frame work was not part of original Java release. Colelctions was added to J@SE 1.2 Prior to Java 2. Java Provided adhoc classes such as Dictionary. Vector, Stackand Properties to store and manipulat...