*** 1,2 **** ! java.lang.ClassCastException: jit.t.t113.kid1 cannot be cast to jit.t.t113.kid2 at jit.t.t113.t113.main(t113.java:59) --- 1,2 ---- ! java.lang.ClassCastException: class jit.t.t113.kid1 cannot be cast to class jit.t.t113.kid2 (jit.t.t113.kid1 and jit.t.t113.kid2 are in unnamed module of loader 'app') at jit.t.t113.t113.main(t113.java:59)