Extend java.lang.Thread and override the run method.
Extend java.lang.Runnable and override the start method.
Implement java.lang.thread and implement the run method.
Implement java.lang.Runnable and implement the run method.
Implement java.lang.Thread and implement the start method.
第1题：
A. Thread creation must be routed through a dispatcher process
B. The local listener may spawn a now process and have that new process create a thread
C. Each Oracle process runs an SCMN thread.
D. Each multithreaded Oracle process has an SCMN thread.
E. The local listener may pass the request to an existing process which in turn will create a thread.
第2题：
A. The same key is used for encryption and decryption.
B. It is commonly used to create digital certificate signatures.
C. It uses two keys: one for encryption and a different key for decryption.
D. An attacker can decrypt data if the attacker captures the key used for encryption.
第3题：
A. It is built by Automatic Tuning Optimizer.
B. It cannot be stored persistently in the data dictionary.
C. It can be used by the query optimizer automatically.
D. It can be created manually by using the CREATE PROFILE command.
第4题：
Which statements about the garbage collection are true？（）
第5题：
Which two code fragments will execute the method doStuff（） in a separate thread？（）
第6题：
A. The last policy is the default policy, which allows all traffic.
B. The order of policies is not important.
C. New policies are placed at the end of the policy list.
D. The insert command can be used to change the order.
第7题：
Which two statements are true regarding the USING clause in table joins?（）
第8题：
A.Execution of the FLUSH LOGS statement
B.Starting of the SQL thread
C.Reaching the slave_pendign _jobs_size_max limit
D.Execution of FULSH TABLES WITH READ LOCK
E.Starting of the I/O thread
第9题：
Which method in the Thread class is used to create and launch a new thread of execution？（）
第10题：
Which two statements regarding asymmetric key encryption are true？（）