Câu 76: GSSP-Java: GIAC Secure Software Programmer-Java

Which of the following classes implements the java.lang. Cloneable and java.lang. Runnable interfaces correctly?

1. A. public class DemoThread implements Runnable, Cloneable {public void run() { /* some code here */ }protected boolean clone() throws CloneNotSupportedException { /* some code here */ }. . . .}
2. B. public class PrintData implements Runnable, Cloneable {public void run() { /* some code here */ }protected Object clone() throws CloneNotSupportedException { /* some code here */ }. . . .} — đáp án hiện tại
3. C. public class CloneCheck implements Runnable, Cloneable {public int run() { /* some code here */ }public Object clone() throws CloneNotSupportedException { /* some code here */ }. . . .}
4. D. public class Demo implements Runnable, Cloneable {public void run() { /* some code here */ }. . . .}