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-rw-r--r--objective-c.html.markdown49
1 files changed, 33 insertions, 16 deletions
diff --git a/objective-c.html.markdown b/objective-c.html.markdown
index ebae2fc7..479d9ad5 100644
--- a/objective-c.html.markdown
+++ b/objective-c.html.markdown
@@ -102,6 +102,8 @@ int main (int argc, const char * argv[])
// The operators works like in the C language
// For example:
+ 2 + 5; // => 7
+ 4.2f + 5.1f; // => 9.3f
3 == 2; // => 0 (NO)
3 != 2; // => 1 (YES)
1 && 1; // => 1 (Logical and)
@@ -127,7 +129,8 @@ int main (int argc, const char * argv[])
}
// Switch statement
- switch (2) {
+ switch (2)
+ {
case 0:
{
NSLog(@"I am never run");
@@ -142,36 +145,50 @@ int main (int argc, const char * argv[])
} break;
}
- // While loops exist
+ // While loops statements
int ii = 0;
while (ii < 4)
{
NSLog(@"%d,", ii++); // ii++ increments ii in-place, after using its value.
- } // => prints "0,
- 1,
- 2,
- 3,"
+ } // => prints "0,"
+ "1,"
+ "2,"
+ "3,"
- // For loops too
+ // For loops statements
int jj;
for (jj=0; jj < 4; jj++)
{
NSLog(@"%d,", ii++);
- } // => prints "0,
- 1,
- 2,
- 3,"
+ } // => prints "0,"
+ "1,"
+ "2,"
+ "3,"
- // Foreach
+ // Foreach statements
NSArray *values = @[@0, @1, @2, @3];
for (NSNumber *value in values)
{
NSLog(@"%@,", value);
- } // => prints "0,
- 1,
- 2,
- 3,"
+ } // => prints "0,"
+ "1,"
+ "2,"
+ "3,"
+ // Try-Catch-Finally statements
+ @try
+ {
+ // Your statements here
+ @throw [NSException exceptionWithName:@"FileNotFoundException" reason:@"File Not Found on System" userInfo:nil];
+ } @catch (NSException * e)
+ {
+ NSLog(@"Exception: %@", e);
+ } @finally
+ {
+ NSLog(@"Finally");
+ } // => prints "Exception: File Not Found on System"
+ "Finally"
+
// Clean up the memory you used into your program
[pool drain];