//self.str = @"sdf";
//NSRunLoop会出现循环引用死循环
for(int i = 0; i<1000000; i++) {
//自动释放池可避免死循环
@autoreleasepool {
NSString*str = @"Abc";
str = [str lowercaseString];
str = [str stringByAppendingString:@"xyz"];
NSLog(@"%@",str);
}
}
inti = 1;
intj = i++;
if((i>j++) && i++ == j) {
i+= j;
}
//求i得值5
NSLog(@"%d",i);
//self打点调用会出现死循环
- (void)setStr:(NSString*)str{
self.str = str;
}
