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多选题
下列那些方法是线程安全的
A public class MyServlet implements Servlet {
public void service {
BigInteger I = extractFromRequest;
encodeIntoResponse;
}
}B public class MyServlet implements Servlet {
private long count =0;
public long getCount {
return count;
}
public void service {
BigInteger I = extractFromRequest;
BigInteger["> factors = factor;
count ++;
encodeIntoResponse;
}
}C public class MyClass {
private int value;
public synchronized int get {
return value;
}
public synchronized void set {
this.value = value;
}
}D public class Factorizer implements Servlet {
private volatile MyCache cache = new MyCache;
public void service {
BigInteger i = extractFromRequest;
BigInteger["> factors = cache.getFactors;
if {
factors = factor;
cache = new MyCache;
}
encodeIntoResponse;
}
}正确答案: ACD可在小程序上查看本题解析，扫码查看
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