OC Assessment Test Questions

#import <Foundation/Foundation.h>

#define NSLOG (FORMAT, ...) printf ("%s\n", [[NSString Stringwithformat:format, # #__VA_ARGS__] utf8string])

int main (int argc, const char * argv[]) {

@autoreleasepool {

/* 1th Please store the following data in a dictionary and output the dictionary content as a string output: "xxx, age xxx, subject xxx, score xxx" (replace XXX with the corresponding data).

*/

NSString *name = @ "Zhang San";

Nsinteger age = 22;

NSNumber *[email protected];

NSString *subject = @ "Mathematics";

Data is stored as a dictionary

Nsdictionary *[email protected]{@ "name": Name,

@ ' age ': @ (age),

@ "Score": Score,

@ "subject": Subject};

NSLog (@ "%@, age%@, subject%@, score%@", dic[@ "name"],dic[@ "ages"],dic[@ "subject"],dic[@ "score"]);

/* Question 2nd: 12,9,34,56,11 into Nsarray array, output: 1) Reverse output 2) descending output */

Nsarray *array=[[nsarray Alloc]initwithobjects:@12,@9,@34,@56,@11,nil];

for (int i=4; I<[array count]; i--) {

NSString *element=[array OBJECTATINDEX:I];

NSLog (@ "%@", Element);

}

NSLog (@ "\ n");

Nscomparator sortblock=^ (ID obj1,id obj2) {

return [Obj2 compare:obj1];

};

Nsarray *sortarray=[array Sortedarrayusingcomparator:sortblock];

for (id str in sortarray) {

NSLog (@ "%@", str);

}

/* Question 3rd to determine if the intermediate directory exists

such as passing strings @ "/home/qianfeng/oc.txt" and @ "Qianfeng"

return: YES

Incoming string @ "/usr/qianfeng/oc.txt and @" Fengqian "

return: NO

*/

NSString *[email protected] "/home/qianfeng/oc.txt";

Nsrange rang=[str rangeofstring:@ "Qianfeng"];

if (rang.location==nsnotfound) {

NSLog (@ "NO");

}else{

NSLog (@ "YES");

}

NSString *[email protected] "/usr/qianfeng/oc.txt";

Nsrange rang1=[str1 rangeofstring:@ "Fengqian"];

if (rang1.location==nsnotfound) {

NSLog (@ "NO");

}else{

NSLog (@ "YES");

}

/* The elements in the array 4th sorted by Chinese

*/

Nsarray *[email protected][@ "Light Rain", @ "Ann", @ "small wind", @ "Rongrong", @ "Zhang Tao" @ "Li Wenrong"];

Nsarray *sortedarr2=[arr2 sortedarrayusingselector: @selector (localizedcompare:)];

For (NSString *str in sortedArr2) {

NSLog (@ "%@", str);

}

}

return 0;

}

OC Assessment Test Questions