iOS 基础类解析 - NSNumber
iOS 基础类解析 - NSNumber
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本文遵循“署名-非商业用途-保持一致”创作公用协议
NSNumber Class Reference
Creating an NSNumber Object
+ numberWithBool:
+ numberWithChar:
+ numberWithDouble:
+ numberWithFloat:
+ numberWithInt:
+ numberWithInteger:
+ numberWithLong:
+ numberWithLongLong:
+ numberWithShort:
+ numberWithUnsignedChar:
+ numberWithUnsignedInt:
+ numberWithUnsignedInteger:
+ numberWithUnsignedLong:
+ numberWithUnsignedLongLong:
+ numberWithUnsignedShort:
Initializing an NSNumber Object
– initWithBool:
– initWithChar:
– initWithDouble:
– initWithFloat:
– initWithInt:
– initWithInteger:
– initWithLong:
– initWithLongLong:
– initWithShort:
– initWithUnsignedChar:
– initWithUnsignedInt:
– initWithUnsignedInteger:
– initWithUnsignedLong:
– initWithUnsignedLongLong:
– initWithUnsignedShort:
Accessing Numeric Values
– boolValue
– charValue
– decimalValue
– doubleValue
– floatValue
– intValue
– integerValue
– longLongValue
– longValue
– shortValue
– unsignedCharValue
– unsignedIntegerValue
– unsignedIntValue
– unsignedLongLongValue
– unsignedLongValue
– unsignedShortValue
Retrieving String Representations
Comparing NSNumber Objects
Accessing Type Information
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