Your JSON is not a JSON, next code is a JSON:
[ { "idAlunoGraduacao": 1, "semestre": 2, "ano": 2010, "frequencia": 100, "notaFinal": 6, "conceito": "Aprovado", "idTurma": "Biofisica" }, { "idAlunoGraduacao": 2, "semestre": 2, "ano": 2010, "frequencia": 88, "notaFinal": 9.2, "conceito": "Aprovado", "idTurma": "Diversidade sexual" } ]
Also, your JSON is very similar to a Literal NSDictionary.
@{@"idAlunoGraduacao":@001,@"semestre":@2,@"ano":@2010,@"frequencia":@100,@"notaFinal":@6,@"conceito":@"Aprovado",@"idTurma":@"Biofisica"};
Then, you says: "In my .h file I have this loop:", I'm pretty sure you have the loop in your .m
In Objective-C is a Best Practice to use curly brackets
in for loops and if-else:
for (NSDictionary *dados in results)
{
NSLog(@"%@",[dados objectForKey:@"notaFinal"]);
}
Finally, as says @Koray_Alkan, you can use
NSLog(@"Value: %.2f", [[dados objectForKey:@"notaFinal"] floatValue]);