百度试题 结果1 题目3. A c is equal(相等的) to a hundred years. 相关知识点: 试题来源: 解析 3. century 反馈 收藏
is equal to ___. A: B: C: D: 相关知识点: 试题来源: 解析 C 略 反馈 收藏
因此从继承关系角度来说isEqualToString 是 isEqual 的衍生方法 首先贴个苹果官方重写isEqual 的demo - (BOOL)isEqual:(id)other { if (other== self) return YES; if (!other || ![other isKindOfClass:[self class]]) return NO; return [self isEqualToWidget:other]; } - (BOOL)isEqualToWidget:(...
因此从继承关系角度来说isEqualToString 是 isEqual 的衍生方法 首先贴个苹果官方重写isEqual 的demo 1. - (BOOL)isEqual:(id)other { 2. if (other == self) 3. return YES; 4. if (!other || ![other isKindOfClass:[self class]]) 5. return NO; 6. return [self isEqualToWidget:other]; 7...
if (![[self data] isEqualToData:[aWidget data]]) return NO; return YES; } 简单说明下: 首先会判断指针是否相等,相等直接返回yes,不相等在判断是同类对象或者非空,空或者非同类对象直接返回no。而后依次判断对象对应的属性是否相等,若均相当返回yed。isEqualToString内部实现类似。
百度试题 结果1 题目120 cm is equal to ___ meters. A. one point two B. two C. three 相关知识点: 试题来源: 解析A。100 厘米等于 1 米,120 厘米等于 1.2 米。反馈 收藏
百度试题 结果1 题目A c___ is equal to 100 years.相关知识点: 试题来源: 解析 century 反馈 收藏
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C Pi is equal(相等的) to about 3. 14, but the number goes on endlessly. It is sometimes written in Greek.With the help of computers, mathematicians have been able to calculate(计算) Pi out to over a trillion(万亿)decimal(小数的) places, but there is still no end to the number....