static class KKKK { int a; int b; } public static void main(String[] args) { Map<Integer, Boolean> ccc = new HashMap<>(); for (int i = 0; i < 1000000; i++) { KKKK bb = new KKKK(); // System.err.println(bb.hashCode()); if (ccc.containsKey(bb.hashCode())) { System.err.println("CCCCC::" + i); break; } else { ccc.put(bb.hashCode(), false); } } }
Connected to the target VM, address: '127.0.0.1:42682', transport: 'socket'
CCCCC::105303