sex:(NSString *)aSex
age:(NSInteger)aAge
{
//調用父類的初始化方法
self = [super init];//防止初始化失敗,賦值失敗
if (self) {
//給自己的實例變量賦值
_name = aName;
_sex = aSex;
_age = aAge;
}
return self;
}
score:(float)aScore
sex:(NSString *)aSex
age:(NSInteger)aAge
number:(NSString *)aNumber
{
//super 只有一個作用,調用父類方法
//調用父類方法,給父類的實例變量賦值
self = [super initWithName:aName sex:aSex age:aAge];
if (self) {
//給自己的實例變量賦值
_number = aNumber;
_score = aScore;
}
return self;
score:(float)aScore
number:(NSString *)aNumber
{
return [self initWithName:aName score:aScore sex:Nilage:0number:aNumber];