Objective-c(1)

摘要: Objective-c

先只看到第七章

基本数据类型，赋值语句

for循环,while循环,do while循环

分支判断，if语句,ifelse语句,switch语句

//

// main.m

// Myoc

//

// Created by DBJ on 2015/11/15.

// Copyright © 2015年 DBJ. All rights reserved.

// clang -fobjc-arc -framework Foundation main.m -o Myoc

#import <Foundation/Foundation.h>

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

@autoreleasepool {

// insert code here...

NSLog(@"Hello, World!测试");

NSLog(@"sizeof(char)=%lu¥n", sizeof(char));

NSLog(@"sizeof(short)=%lu¥n", sizeof(short));

NSLog(@"sizeof(int)=%lu¥n", sizeof(int));

NSLog(@"sizeof(long)=%lu¥n", sizeof(long));

NSLog(@"sizeof(float)=%lu¥n", sizeof(float));

NSLog(@"sizeof(double)=%lu¥n", sizeof(double));

int i = 0;

for (int i = 0; i < 10; ++i) {

NSLog(@"i=%i", i);

}

/*int a = 0;

scanf("%i", &a);

NSLog(@"i=%i", a);*/

while (i > 0) {

i --;

NSLog(@"i=%i", i);

}

}

return 0;

}