Objective-c (1)

Just see the seventh chapter first.

Basic data types, assignment statements

For loop, while loop, do While loop

Branch judgment, if statement, IfElse statement, switch statement

//

Main.m

Myoc

//

Created by DBJ on 2015/11/15.

Copyright? 2015 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! test");

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 < ++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;

}

Objective-c (1)