A really basic question, I have recently started exploring Objective C and Trying to mess with one example code. However just for debugging purpose I want print value of NSString variable on console. How do I achieve this?
一个非常基本的问题，我最近开始探索Objective C并试图弄乱一个示例代码。但是出于调试目的，我希望在控制台上打印NSString变量值。我该如何实现这一目标？
Basically I am a java developer, So I am looking something similar as...
基本上我是一个java开发人员，所以我看起来像...
String hello = "world!";
System.out.println(hello);
My variable in this foreign language(Obj-C) is...
我的外语变量（Obj-C）是......
NSString *hello = ...calling a method to return string...
Any hint will be appreciated!
任何提示将不胜感激！
Thank you
谢谢
2 个解决方案
#1
47
Pretty simple:
很简单：
NSLog(@"Value of hello = %@", hello);
#2
11
NSLog(@"%@",hello);
Based On data type %@ changes as follows
基于数据类型％@更改如下
For Strings u use %@
For int u use %i
For float u use %f
For double u use %lf
#1
47
Pretty simple:
很简单：
NSLog(@"Value of hello = %@", hello);
#2
11
NSLog(@"%@",hello);
Based On data type %@ changes as follows
基于数据类型％@更改如下
For Strings u use %@
For int u use %i
For float u use %f
For double u use %lf