单项选择题
A. 6
B. 7
C. 10
D. 11
E. Compilation fails.
F. An exception is thrown at runtime.
单项选择题 public static Iterator reverse(List list) { Collections.reverse(list); return list.iterator(); } public static void main(String[] args) { List list = new ArrayList(); list.add(” 1”); list.add(”2”); list.add(”3”); for (Object obj: reverse(list)) System.out.print(obj + “,”); } What is the result?()
单项选择题 int x= 10; do { x--; } while(x< 10); How many times will line 37 be executed?()
单项选择题 25.intx=12; 26. while (x < 10) { 27. x--; 28. } 29. System.out.print(x); What is the result?()