- (NSComparisonResult)compare:(NSString *)string options:(NSStringCompareOptions)mask range:(NSRange)compareRange locale:(id)locale; NSComparisonResult 是定义的一个枚举,定义例如以下: typedef NS_ENUM(NSInteger, NSComparisonResult) {NSOrderedAscending = -1L, NSOrderedSame, NSOrderedDescending}; 当中,NSOrdered...
typedef NS_ENUM(NSInteger, NSComparisonResult) {NSOrderedAscending = -1L, NSOrderedSame, NSOrderedDescending}; 当中,NSOrderedSame 表示比較的两个字符串全然一致, 同一时候。在这个枚举中。它的值是 0. 字符串比較在程序中非经常见。比方: if ([str1 compare:@"some text"] == NSOrderedSame) { // TODO }...
using System; using System.Collections; namespace ConsoleEnum { public class Car : IComparable { // Beginning of nested classes. // Nested class to do ascending sort on year property. private class SortYearAscendingHelper: IComparer { int IComparer.Compare(object a, object b) { Car c1=(Ca...
usingSystem;usingSystem.Collections;namespaceConsoleEnum{publicclassCar:IComparable{// Beginning of nested classes.// Nested class to do ascending sort on year property.privateclassSortYearAscendingHelper:IComparer{intIComparer.Compare(objecta,objectb) { Car c1=(Car)a; Car c2=(Car)b;if(c1.year...
usingSystem;usingSystem.Collections;namespaceConsoleEnum{publicclassCar:IComparable{// Beginning of nested classes.// Nested class to do ascending sort on year property.privateclassSortYearAscendingHelper:IComparer{intIComparer.Compare(objecta,objectb) { Car c1=(Car)a; Car c2=(Car)b;if(c1.year...
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How do I Compare two Dates How do i compile this code in visual studio? How do I create a .lib (static library) file, by assembling a .asm file in Visual Studio 2010? How do I created a managed C++ DLL, that implements a C# interface? How do I debug .bat and .cmd files. How...
int compareTo方法 String name()返回枚举实例的名称 int ordinal() 返回枚举值在枚举中的索引 String toString()返回枚举的实例名称 比name更常用 public static valueOf() 复制代码 代码如下: public class EnumTest { public static void main(String[] args){ ...
当前主流的无论是gcc还是clang都是可以的，甚至新版本vs2019问题应该也不大。目前选择C编译器，只要能...