【Objective C Day 2】forLoop& characterArray&ReadTxtFile

#import <Foundation/Foundation.h> int main (int argc, const char * argv[]) { //words is an array of C strings,NOT an NSString! const char *words[4] = { "aardvark", "abacus", "allude", "zygote" }; int wordCount = 4; int i; for (i = 0; i < wordCount; i++) { NSLog (@"%s is %d characters long", words[i], strlen(words[i])); } return (0); } // main

Waring :

 

for (int i =  0; i < wordCount; i++)

It's a wrong code!

-----------我是分割线---------------------------------------------------------

错误： stray '/163' in program

出现这个错误的原因往往是复制的代码含有非可见的非法字符，请重新手动输入

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#import <Foundation/Foundation.h> int main (int argc, const char *argv[]) { FILE *wordFile=fopen("words.txt","r"); char word[100]; while(fgets(word,100,wordFile)) { word[strlen(word) - 1] = '/0'; NSLog(@"%s is %d character(s) long",word,strlen(word)); } fclose(wordFile); return (0); }