import java.util.Arrays;
class Ideone
{
public static void main
(String[] args
) {
String student
[] = {"BAT4M0ABBB4M0ABOH4M0CCHI4U0AENG4U0DMDM4U0B"}; String[] array
= student
[0].
split("(?<=\\G.{7})"); }
}
CmltcG9ydCBqYXZhLnV0aWwuQXJyYXlzOwoKY2xhc3MgSWRlb25lCnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBtYWluIChTdHJpbmdbXSBhcmdzKQoJewoJCVN0cmluZyBzdHVkZW50IFtdID0geyJCQVQ0TTBBQkJCNE0wQUJPSDRNMENDSEk0VTBBRU5HNFUwRE1ETTRVMEIifTsKCQlTdHJpbmdbXSBhcnJheSA9IHN0dWRlbnRbMF0uc3BsaXQoIig/PD1cXEcuezd9KSIpOwoJCVN5c3RlbS5vdXQucHJpbnRsbihBcnJheXMudG9TdHJpbmcoYXJyYXkpKTsKCX0KfQ==