1instance begin 2x instanceof X (true): true 3x instanceof Y (false): false 4y instanceof X (true): true 5y instanceof Y (true): true 6xar instanceof Object (true): true 7xar instanceof X (false): false 8xar instanceof X[] (true): true 9xar instanceof Y[] (false): false 10xar instanceof Object[] (true): true 11xar instanceof X[][] (false): false 12yar instanceof X[] (true): true 13xararar instanceof Object (true): true 14xararar instanceof Object[] (true): true 15xararar instanceof X (false): false 16xararar instanceof X[] (false): false 17xararar instanceof X[][] (false): false 18xararar instanceof X[][][] (true): true 19xararar instanceof Object[][][] (true): true 20xararar instanceof Serializable (true): true 21xararar instanceof Serializable[] (true): true 22xararar instanceof Serializable[][] (true): true 23xararar instanceof Serializable[][][] (false): false 24yararar instanceof X[][][] (true): true 25iar instanceof Object (true): true 26iar instanceof Object[] (false): false 27iarar instanceof Object (true): true 28iarar instanceof Object[] (true): true 29iarar instanceof Object[][] (false): false 30instanceof end 31