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#import <Foundation/Foundation.h>
#import "Calculator.h"
#import "ctype.h"
int main(int argc, const char * argv[])
{
double value1,value2;
char operator;
Calculator *myCal =[[Calculator alloc]init ];
NSLog(@"Type in your expression");
scanf("%1f %c %1f",&value1,&operator,&value2);
[myCal setAccumulator:value1];
if (operator =='+')
[myCal add:value2];
else if (operator == '-')
[myCal subtract:value2];
else if (operator == '*')
[myCal multiply:value2];
else if (operator == '/')
[myCal divide:value2];
NSLog(@"%.2f",[myCal accumulator]);
}
return 0;
}
我无法找到关于此代码的任何错误,我从书中键入代码,代码与书上相同。但Xcode的告诉我,他们有两个错误,第一个是“应为标识符或‘(’ 第二个是‘预期的外部声明’objective-c代码错误
是一个控制台应用程序 – 2012-07-26 09:52:55