第1题:
What is the name of the method that threads can use to pause their execution until signalled to continue by another thread? () Fill in the name of the method (do not include a parameter list).
第2题:
public class Threads2 implements Runnable { public void nun() { System.out.println(”run.”); throw new RuntimeException(”Problem”); } public static void main(String[] args) { Thread t = new Thread(new Threads2()); t.start(); System.out.println(”End of method.”); } } Which two can be results?()
第3题:
A.The Thread.sleep() method can take t1 as an argument.
B.The Object.notify() method can take t1 as an argument.
C.The Thread.yield() method can take t1 as an argument.
D.The Thread.setPriority() method can take t1 as an argument.
E.The Object.notify() method arbitrarily chooses which thread to notify.
第4题:
Given that t1 is a reference to a live thread, which is true?()
第5题:
Your web application requires the adding and deleting of many session attributes during a complex usecase. A bug report has come in that indicates that an important session attribute is being deleted too soonand a NullPointerException is being thrown several interactions after the fact. You have decided to create asession event listener that will log when attributes are being deleted so you can track down when theattribute is erroneously being deleted. Which listener class will accomplish this debugging goal?()
第6题:
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the LINQ ParallelEnumerable. AsParallel method to perform multiple queries on a database. You need to ensure that queries can execute on separate threads concurrently. What should you do? ()
第7题:
Which two CANNOT directly cause a thread to stop executing?()
第8题:
A.99
B.100
C.101
D.999
E.1000
第9题:
Given this method in a class: public String toString() { StringBuffer buffer = new StringBuffer(); buffer.append(‟<‟); buffer.append(this.name); buffer.append(‟>‟); return buffer.toString(); } Which is true?()
第10题:
public class Person { private name; public Person(String name) { this.name = name; } public boolean equals(Object o) { if( !o instanceof Person ) return false; Person p = (Person) o; return p.name.equals(this.name); } } Which is true?()