package generics2;

public class Trace {
	static <A> A trace(A x) {
		System.out.println(x);
		return x;
	}
	
	
	public static void main(String[] args) {
		String s = trace("hklgfuvkgfgfi".substring(2,7)).toUpperCase();
		System.out.println(s);
		
		int  x = trace(17+4)*2;
		System.out.println(x);
	}
}