'isEqua' 和 '==' 的区别
2015-05-22 14:52
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isEqual和==的区别：
1.==只是比较两者的内存地址
2.isEqual则是比较两者hash返回的值
Example:
NSArray *arr1 = @[@"12",@"123",@"123"];
NSArray *arr2 = @[@"12",@"123",@"123"];
这两个用==返回no， 用isEqual返回yes
1.==只是比较两者的内存地址
2.isEqual则是比较两者hash返回的值
Example:
NSArray *arr1 = @[@"12",@"123",@"123"];
NSArray *arr2 = @[@"12",@"123",@"123"];
这两个用==返回no， 用isEqual返回yes
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