Commons Lang、ToStringBuilder
import org.apache.commons.lang.builder.ToStringBuilder; public class C2009062200 { String name; int x; public String toString() { return new ToStringBuilder(this). append("name", name). append("x", x). toString(); } public static void main(String[] args) { System.out.println(new C2009062200()); } }
で、
C2009062200@c17164[name=<null>,x=0]