SEL s1 = @selector(methodName1);SEL s2 = @selector(methodName2);SEL s3 = @selector(methodName3); …

[anObject performSelector: s1];

SEL s1 = @selector(methodName1);SEL s2 = @selector(methodName2);SEL s3 = @selector(methodName3); …

[anObject performSelector: s1];