多项选择题
A. Object x = t.findLarger(123, “456”);
B. int x = t.findLarger(123, new Double(456));
C. int x = t.findLarger(123, new Integer(456));
D. int x = (int) t.findLarger(new Double(123), new Double(456));
单项选择题 11. public void addStrings(List list) { 12. list.add(”foo”); 13. list.add(”bar”); 14. } What must you change in this method to compile without warnings?()
单项选择题 11. public static void append(List list) { list.add(”0042”); } 12. public static void main(String[] args) { 13. List intList = new ArrayList(); 14. append(intList); 15. System.out.println(intList.get(0)); 16. } What is the result?()
多项选择题 1. import java.util.*; 2. public class Test { 3. public static void main(String[] args) { 4. List strings = new ArrayList(); 5. // insert code here 6. } 7. } Which four, inserted at line 5, will allow compilation to succeed?()