int[] array = {6,9,8}; List<Integer> list = new ArrayList<>(); list.add(array[0]); list.add(array[2]); list.set(1, array[1]); list.remove(0); System.out.println(list);
❌ A. [8] ✅ B. [9] ❌ C. Something like [Ljava.lang.String;@160bc7c0 ❌ D. An exception is thrown. ❌ E. The code does not compile.
Explanation: The array is allowed to use an anonymous initializer because it is in the same line as the declaration. The ArrayList uses the diamond operator allowed since Java 7. This specifies the type matches the one on the left without having to re-type it. After adding the two elements, list contains [6, 8]. We then replace the element at index 1 with 9, resulting in [6, 9]. Finally, we remove the element at index 0, leaving [9]. Option C is incorrect because arrays output something like that rather than an ArrayList.
int[] array = {6,9,8}; List<Integer> list = new ArrayList<>(); list.add(array[0]); list.add(array[2]); list.set(1, array[1]); list.remove(0); System.out.println(list);
❌ A. [8] ✅ B. [9] ❌ C. Something like [Ljava.lang.String;@160bc7c0 ❌ D. An exception is thrown. ❌ E. The code does not compile.
Explanation: The array is allowed to use an anonymous initializer because it is in the same line as the declaration. The ArrayList uses the diamond operator allowed since Java 7. This specifies the type matches the one on the left without having to re-type it. After adding the two elements, list contains [6, 8]. We then replace the element at index 1 with 9, resulting in [6, 9]. Finally, we remove the element at index 0, leaving [9]. Option C is incorrect because arrays output something like that rather than an ArrayList.
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In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.
