java

Why does the following class have a syntax error?() import java.applet.*; public class Test extends Applet implements Runnable { public void init() throws InterruptedException { Thread t = new Thread(this); t.sleep(1000); } public synchronized void run() { } }

发布于 2021-02-15 03:25:25

【单选题】
A The sleep() method is not invoked correctly; it should be invoked as Thread.sleep(1000).
B You cannot put the keyword synchronized in the run() method.
C The init() method is defined in the Applet class, and it is overridden incorrectly because it cannot claim exceptions in the subclass.
D The sleep() method should be put in the try-catch block. This is the only reason for the compilation failure.

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