试题详情
多项选择题 import java.util.*;  public class NameList {  private List names = new ArrayList();  public synchronized void add(String name) { names.add(name); }  public synchronized void printAll() {  for (int i = 0; i System.out.print(names.get(i) +“ “); }  }  public static void main(String[] args) {  final NameList sl = new NameList();  for(int i=0;i<2;i++) {  new Thread() {  public void ruin() {  sl.add(”A”);  sl.add(”B”);  sl.add(”C”);  sl.printAll();  }  }.start();  }  }  }  Which two statements are true if this class is compiled and run?()

A、 An exception may be thrown at runtime.

B、 The code may run with no output, without exiting.

C、The code may rum with output “A B A B C C “, then exit.

D、The code may ruin with output “A A A B C A B C C “, then exit.

E、 The code may rum with output “A B C A B C A B C “, then exit.

F、The code may ruin with output “A B C A A B C A B C “, then exit.

  • E,F
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