1 double value1, value2; 2 char operator; 3 Calculator *deskCalc = [[Calculator alloc] init]; 4 5 NSLog(@"Type in your expression."); 6 scanf("%lf %c %lf", &value1, &operator, &value2); 7 8 [deskCalc setAccumulator:value1]; 9 10 if ( operator == '+' ) { 11 [deskCalc...
//只需要列出表达式就可以 int F = 27; //设置F为华氏温度,赋值 27 float C ; //设置C为摄氏温度,类型为浮点类型 C = (F-32)/1.8; NSLog(@"%.f",C); // %.f 保留一位小数就可以 //输出结果 2014-09-17 14:58:48.259 prog1[6058:303] -2.8 Program ended with exit code: 0 3. 输出...
1. Re:Objective-C 程序设计(第六版)第五章习题答案 @ H.Z.W引用大哥啊,你写的习题答案好多都是错的,所以说,学习能谦虚点吗,别语气那么大,这个不用做,那个不用做的,嫌弃人家题目简单,其实人家出的习题都有用到其对应的知识点。我只是略了几道题就被说成... --MingMing-King 2. Re:Objective-C 程...
1#import<Foundation/Foundation.h>23@interfaceComplex : NSObject45@propertydoublereal, imaginary;67- (void) print;89- (void) setReal: (double) a andImaginary: (double) b;1011//- (Complex *) add: (Complex *) f;12- (id) addComp: (id) c;1314@end151617#import"Complex.h"1819@implement...
{ if(self.numerator * f.denominator == f.numerator *self.denominator) {returnYES; }elsereturnNO; }- (int) compare: (Fraction *) f { if(self.numerator * f.denominator == f.numerator *self.denominator) {return0; }elseif(self.numerator * f.denominator > f.numerator *self.denominator)...
1.略 2. #import<Foundation/Foundation.h>intmain(intargc,constchar*argv[]) { @autoreleasepool {//insert code here...NSLog(@"In Obiective-c, lowercase letters are significance .\n main is where program execution begins.\n Open and closed brace enclose program stateme nts in a routine .\...
5.去掉synthesize合成方法后 修改变量名 _numerator, _denominator 替换程序中的numerator,denominator;增加setter方法 用于点语法。 6..m文件 1- (Complex *) add: (Complex *) complexNum2{3Complex *result =[[Complex alloc] init];45result.real = real +complexNum.real;6result.imaginary = imaginary +...
1. 不合法:6_05 (不能以数字开头) A$ ($是非法符号).2. myBook (openBook,closeBook,readBook,takeBook,putBook).3. [myBook takeBook]; [myBook openBook]; [myB...
1. NSLog(@"数字N N的平方"); NSLog(@"---");for(intn =1; n <=10; n++) { NSLog(@"%2d %d",n,n*n); }//结果如下2014-09-2715:00:26.457prog1[1218:303] 数字N N的平方2014-09-2715:00:26.459prog1[1218:303] ---2014-09-2715:00:26.460prog1[1218:303]112014-09-2715:00:26....
@propertydoubleab, bc, ac;- (void) setAB: (double) a andBC: (double) b andAC: (double) c;- (double) area;- (double) perimeter;@end#import"Triangle.h"@implementationTriangle@synthesizeab, bc, ac;- (void) setAB: (double) a andBC: (double) b andAC: (double) c ...