Thread: How to sort a class in qt

I have a class as shown below

Code:

class clsA {

  int Val1;
  int Val2;
  QString Val3;
};

I have data in the class before sort :

Code:

[1,5,'AAA']
[5,3,'CAR']
[2,2,'BEE']
[7,8,'ERE']
[6,3,'DER']

I need after sort X and Y.

Code:

[1,5,'AAA']
[2,2,'BEE']
[5,3,'CAR']
[6,3,'DER']
[7,8,'ERE']

help an tell me, If you got any Ideas..
Thank you.