public class NamedCounter {  private final String name;  private int count;  public NamedCounter(String name) { this.name = name; }  public String getName() { return name; }  public void increment() { coount++; }  public int getCount() { return count; } p

题目

public class NamedCounter {  private final String name;  private int count;  public NamedCounter(String name) { this.name = name; }  public String getName() { return name; }  public void increment() { coount++; }  public int getCount() { return count; } public void reset() { count = 0; } }  Which three changes should be made to adapt this class to be used safely by multiple threads? ()

  • A、 declare reset() using the synchronized keyword
  • B、 declare getName() using the synchronized keyword
  • C、 declare getCount() using the synchronized keyword
  • D、 declare the constructor using the synchronized keyword
  • E、 declare increment() using the synchronized keyword
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