Commons Lang、StandardToStringStyle#setArrayStart
import org.apache.commons.lang.builder.StandardToStringStyle; public class C2009072900 { public static void main(String[] args) { StandardToStringStyle x = new StandardToStringStyle(); System.out.println(x.getArrayStart()); x.setArrayStart("["); System.out.println(x.getArrayStart()); } }
で、
{ [