数组的应用OC

来源：互联网发布：天刀女性明星捏脸数据编辑：程序博客网时间：2024/04/30 18:24

#import <Foundation/Foundation.h>#import "Person.h"int main(int argc, const char * argv[]){    @autoreleasepool {                            NSArray * array = [[NSArray alloc]initWithObjects:@"one",@"two",@"three",nil];        NSLog(@"%@",array);                NSArray * array1 = @[@"one",@"two",@"three"];        NSLog(@"array1 %@",array1);                //int float char double bool        int i = 10;        NSNumber * number = [[NSNumber alloc]initWithInt:i];               NSArray * array2 = @[@"one",@"two",number];        NSLog(@"array2 %@",array2);                      NSArray * a1 = @[@"one",@"two",@"three"];        NSArray * a2 = @[@"1",@"2",@"3"];        NSArray * a3 = @[a1,a2];                NSString * str = nil;        NSArray * array3 = [[NSArray alloc]initWithObjects:@"one",str,a3,@"two", nil];        NSLog(@"%@",array3);                Person * p1 = [[Person alloc]initWithName:@"jack" andAge:15];        Person * p2 = [[Person alloc]initWithName:@"tom" andAge:20];        Person * p3 = [[Person alloc]initWithName:@"dick" andAge:16];                NSArray * array4 = [[NSArray alloc]initWithObjects:p1,p2,p3,nil];        NSLog(@"%@",array4);                       /*         + (NSNumber *)numberWithChar:(char)value;         + (NSNumber *)numberWithUnsignedChar:(unsigned char)value;         + (NSNumber *)numberWithShort:(short)value;         + (NSNumber *)numberWithUnsignedShort:(unsigned short)value;         + (NSNumber *)numberWithInt:(int)value;         + (NSNumber *)numberWithUnsignedInt:(unsigned int)value;         + (NSNumber *)numberWithLong:(long)value;         + (NSNumber *)numberWithUnsignedLong:(unsigned long)value;         + (NSNumber *)numberWithLongLong:(long long)value;         + (NSNumber *)numberWithUnsignedLongLong:(unsign         */                  NSNumber * number1 = [NSNumber numberWithDouble:8.99];        NSNumber * number2 = [NSNumber numberWithFloat:3.1];        NSNumber * number3 = [NSNumber numberWithInt:5];        NSNumber * number4 = [NSNumber numberWithChar:'c'];                NSArray * array5 = [[NSArray alloc]initWithObjects:number1,number2,number3,number4,nil];                       NSLog(@"%@",array5);                char c = [[array5 objectAtIndex:3]charValue];        NSLog(@"%c",c);                       Person * p4 = [array4 objectAtIndex:1];        NSLog(@"%@",p4);                    Person * p5 = array4[1];                NSLog(@"%@",p5);                //NSUInteger count = [array5 count];        //NSLog(@"%d",count);                                BOOL isContent = [array4 containsObject:p1];        NSLog(@"%d",isContent);                if (isContent) {            NSLog(@"contain");        }        else        {            NSLog(@"no contain");        }            }    return 0;}

#import <Foundation/Foundation.h>@interface Person : NSObject{    NSString * _name;    int _age;}-(id)initWithName:(NSString *)name andAge:(int)age;-(void)setName:(NSString *)name;-(NSString *)name;-(void)setAge:(int)age;-(int)age;@end

#import "Person.h"@implementation Person-(id)initWithName:(NSString *)name andAge:(int)age{    if (self =[super init]) {        _name = name;        _age = age;    }    return self;}-(void)setName:(NSString *)name{    _name = name;}-(NSString *)name{    return _name;}-(void)setAge:(int)age{    _age = age;}-(int)age{    return _age;}-(NSString *)description{    return [NSString stringWithFormat:@"名字%@ 年龄%d",_name,_age];}@end

0 0