20150609类和对象_练习

////  BankAccount.h//  IOS150609_OC_Exercise////  Created by Peng Junlong on 15/6/10.//  Copyright (c) 2015年 Peng Junlong. All rights reserved.//#import <Foundation/Foundation.h>//<9>.创建一个死期银行账户的类//属性://账户号码//密码（加密)//存储金额//存储年限//方法://构造方法//设置，账户号码，密码//存款//设置年限//取款@interface BankAccount : NSObject{    NSString *_account;    NSString *_password;    float _money;    int _year;}- (id)initWithAccount:(NSString *)account          andPassword:(NSString *)password;//setter方法- (void)setPassword:(NSString *)password;- (void)setAccount:(NSString *)account;- (void)setMoney:(float)money;- (void)setYear:(int)year;//getter方法- (NSString *)account;- (NSString *)password;- (float)money;- (int)year;//存款- (float)saveMoney:(float)aMoney;//取款- (float)getMoney:(float)aMoney;@end//==================================================////  BankAccount.m//  IOS150609_OC_Exercise////  Created by qianfeng on 15/6/10.//  Copyright (c) 2015年 Peng Junlong. All rights reserved.//#import "BankAccount.h"//<9>.创建一个死期银行账户的类//属性://账户号码//密码（加密)//存储金额//存储年限//方法://构造方法//设置，账户号码，密码//存款//设置年限//取款@implementation BankAccount- (id)initWithAccount:(NSString *)account andPassword:(NSString *)password{    if (self = [super init]) {        _account = account;        _password = password;    }        return self;}- (void)setPassword:(NSString *)password{    _password = password;}- (void)setAccount:(NSString *)account{    _account  = account;}- (void)setMoney:(float)money{    _money = money;}- (void)setYear:(int)year{    _year = year;}- (NSString *)account{    return _account;}- (NSString *)password{    return _password;}- (float)money{    return _money;}- (int)year{    return _year;}- (float)saveMoney:(float)aMoney{    [self setMoney:([self money]+aMoney)];    return [self money];}- (float)getMoney:(float)aMoney{    [self setMoney:([self money]-aMoney)];    return [self money];}@end//============================================////  Fraction.h//  IOS150609_OC_Exercise////  Created by Peng Junlong on 15/6/10.//  Copyright (c) 2015年 Peng Junlong. All rights reserved.//#import <Foundation/Foundation.h>//创建一个分数类,//类名: Fraction//成员变量:  1. 分子(numerator)//2. 分母(denominator)////实例方法://1. 初始化方法, 带两个参数, 分别带表分子分母//2. setter 方法, getter方法//3. 实现两个分数的加减乘除运算//4. 实现约分//5. 打印分数@interface Fraction : NSObject{    NSInteger _numerator;    NSInteger _denominator;}- (id)initWithNumerator:(NSInteger)numerator     andWithDenominator:(NSInteger)denominator;- (void)setNumerator:(NSInteger)numerator;- (void)setDenominator:(NSInteger)denominator;- (void)setNumerator:(NSInteger)numerator andDenominator:(NSInteger)denominator;- (NSInteger)numerator;- (NSInteger)denominator;- (void)addFraction:(Fraction *)aFraction;- (void)subFraction:(Fraction *)aFraction;- (void)multiplyFraction:(Fraction *)aFraction;- (void)divideFraction:(Fraction *)aFraction;- (void)reduceFraction;- (void)printFraction;- (NSInteger)greatCommonDivide:(NSInteger)firstNumber andSecond:(NSInteger)secondNumber;@end//=============================================////  Fraction.m//  IOS150609_OC_Exercise////  Created by Peng Junlong on 15/6/10.//  Copyright (c) 2015年 Peng Junlong. All rights reserved.//#import "Fraction.h"@implementation Fraction- (id)initWithNumerator:(NSInteger)numerator     andWithDenominator:(NSInteger)denominator{    if (self = [super init]) {        _numerator = numerator;        _denominator = denominator;    }        return self;}- (void)setNumerator:(NSInteger)numerator{    _numerator = numerator;}- (void)setDenominator:(NSInteger)denominator{    _denominator = denominator;}- (void)setNumerator:(NSInteger)numerator andDenominator:(NSInteger)denominator{    _numerator = numerator;    _denominator = denominator;}- (NSInteger)numerator{    return _numerator;}- (NSInteger)denominator{    return _denominator;}- (void)addFraction:(Fraction *)aFraction{    NSInteger greatDived = ([self greatCommonDivide:[self denominator] andSecond:[aFraction denominator]]);    NSInteger miniCommon = ([self denominator] * [aFraction denominator])/greatDived;    NSInteger newNumerator = (miniCommon/[self denominator])*[self numerator] + (miniCommon/[aFraction denominator])*[aFraction numerator];    [self setNumerator:newNumerator];    [self setDenominator:miniCommon];    NSLog(@"Sum = %ld/%ld",newNumerator,miniCommon);}- (void)subFraction:(Fraction *)aFraction{    NSInteger greatDived = ([self greatCommonDivide:[self denominator] andSecond:[aFraction denominator]]);    NSInteger miniCommon = ([self denominator] * [aFraction denominator])/greatDived;    NSInteger newNumerator = (miniCommon/[self denominator])*[self numerator] - (miniCommon/[aFraction denominator])*[aFraction numerator];    [self setNumerator:newNumerator];    [self setDenominator:miniCommon];    NSLog(@"Sub = %ld/%ld",newNumerator,miniCommon);}- (void)multiplyFraction:(Fraction *)aFraction{    NSInteger newDenominator = [self denominator]*[aFraction denominator];    NSInteger newNumerator = [self numerator] * [aFraction numerator];    [self setNumerator:newNumerator];    [self setDenominator:newDenominator];    NSLog(@"Multiply = %ld/%ld",newNumerator,newDenominator);}- (void)divideFraction:(Fraction *)aFraction{    NSInteger newDenominator = [self denominator]*[aFraction numerator];    NSInteger newNumerator = [self numerator] * [aFraction denominator];    [self setNumerator:newNumerator];    [self setDenominator:newDenominator];    NSLog(@"Divided = %ld/%ld",newNumerator,newDenominator);}- (void)reduceFraction{    NSInteger greatDived = ([self greatCommonDivide:[self numerator] andSecond:[self denominator]]);    NSInteger newDenominator = [self denominator]/greatDived;    NSInteger newNumerator = [self numerator]/greatDived;    [self setNumerator:newNumerator];    [self setDenominator:newDenominator];    NSLog(@"Reduce = %ld/%ld",newNumerator,newDenominator);}- (void)printFraction{    NSLog(@"Result = %ld/%ld",[self numerator],[self denominator]);}- (NSInteger)greatCommonDivide:(NSInteger)firstNumber andSecond:(NSInteger)secondNumber{    NSInteger temp;    if(firstNumber<secondNumber)    {        //交换两个数，使大数放在a上        temp=firstNumber;        firstNumber=secondNumber;        secondNumber=temp;    }    while(secondNumber!=0)    {        //利用辗除法，直到b为0为止        temp=firstNumber%secondNumber;        firstNumber=secondNumber;        secondNumber=temp;    }    return firstNumber;}@end//========================================////  main.m//  IOS150609_OC_Exercise////  Created by Peng Junlong on 15/6/9.//  Copyright (c) 2015年 Peng Junlong. All rights reserved.//#import <Foundation/Foundation.h>#import "PersonCard.h"#import "Ex6_Dog.h"#import "BankAccount.h"#import "Fraction.h"int main(int argc, const char * argv[]) {    @autoreleasepool {//        PersonCard *xiaoming = [[PersonCard alloc] initWithLeft:'A' withRight:'K'];//        NSLog(@"Left = %c ,Right = %c",[xiaoming left],[xiaoming right]);//        //        [xiaoming exchange];//        NSLog(@"Left = %c ,Right = %c",[xiaoming left],[xiaoming right]);//        //        Ex6_Dog *dog = [[Ex6_Dog alloc] init];//        [dog setAge:3 andWeight:30 andHeight:1];//        [dog show];//        BankAccount *account = [[BankAccount alloc] init];//        [account setAccount:@"123455678890"];//        [account setPassword:@"123456"];//        NSLog(@"Account = %@, Password = %@",[account account],[account password]);//        [account setMoney:1000.5];//        [account setYear:2015];//        NSLog(@"Money = %.2f Year = %d",[account money],[account year]);//        [account saveMoney:999.5];//        NSLog(@"Money = %.2f Year = %d",[account money],[account year]);//        //        [account getMoney:100.0];//        NSLog(@"Money = %.2f Year = %d",[account money],[account year]);                Fraction *firstFracion = [[Fraction alloc] initWithNumerator:3 andWithDenominator:4];        Fraction *secondFracion = [[Fraction alloc] initWithNumerator:5 andWithDenominator:6];//        [firstFracion addFraction:secondFracion];//        [firstFracion subFraction:secondFracion];//        [firstFracion multiplyFraction:secondFracion];        [firstFracion divideFraction:secondFracion];        [firstFracion reduceFraction];        [firstFracion printFraction];    }    return 0;}