問題詳情
189.Given: 23. Object[] myObjects = { 24. new Integer(12), 25. new String("foo"), 26. new Integer(5), 27. new Boolean(true) 28. }; 29. Arrays.sort(myObjects); 30. for(int i=0; i<myObjects.length; i++){ 31. System.out.print(myObjects[i].toString()); 32. System.out.print(" "); 33. } What is the result?
(A) Compilation fails due to an error in line 23.
(B) Compilation fails due to an error in line 29.
(C) A ClassCastException occurs in line 29.
(D) A ClassCastException occurs in line 31.
(E) The value of all four objects prints in natural order.
參考答案