#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
//2.@"6",@"34",@"56","78"存入数组，并进行排序降序输出结果
NSArray *ary = @[@"34",@"6",@"56",@"78"];
NSLog(@"数组为%@",ary);
NSArray *myary = [ary sortedArrayUsingComparator:^(NSString * obj2, NSString * obj1){
return (NSComparisonResult)[obj1 compare:obj2 options:NSNumericSearch];
}];
NSLog(@"%@",myary);
//3. //第3题 对以下数据进行首字母升序排序，并输出 一种使用数组默认的排序*/
NSArray *array=@[@"TimCook",@"JonyIve",@"SteveJobs",@"RobertBrunne",@"Philip Schiller"];
NSArray *sortArr=[array sortedArrayUsingSelector:@selector(compare:)];
for (id str in sortArr) {
NSLog(@"%@",str);
}
}
return 0;
}