Java Exam Oct. #1

ClassD has low cohesion

ClassA has weak encapsulation

ClassB has weak encapsulation

ClassB has strong encapsulation

ClassC is tightly coupled to ClassA

Java.util.HashSet

Java.util.LinkedHashSet

Java.util.List

Java.util.ArrayList

Java.util.Vector

Java.util.PriorityQueue

The size of s is 4

The size of s is 5

The size of s is 7

The size of subs is 3

An exception is thrown at runtime

Public abstract class Frob implements Frobnicate { public abstract void twiddle(String s) { } }

Public abstract class Frob implements Frobnicate { }

Public class Frob extends Frobnicate { public void twiddle(Integer i) { } }

Public class Frob implements Frobnicate { public void twiddle(Integer i) { } }

Public class Frob implements Frobnicate { public void twiddle(String i) { } public void twiddle(Integer s) { } }

Public class MyRunnable extends Runnable{public void run(){}}

Public class MyRunnable extends Object{public void run(){}}

Public class MyRunnable implements Runnable{public void run(){}}

Public class MyRunnable implements Runnable{void run(){}}

Public class MyRunnable implements Runnable{public void start(){}}

The notifyAll() method must be called from a synchronized context

To call wait(), an object must own the lock on the thread

The notify() method is defined in class java.lang.Thread

When a thread is waiting as a result of wait(), it releases its lock

The notify() method causes a thread to immediately release its lock

AddSize

GetCust

DeleteRep

IsColorado

PutDimensions

13

Compilation fails due to multiple errors

Compilation fails due to an error on line 6

Compilation fails due to an error on line 7

Compilation fails due to an error on line 11 Answer:

1 2

1 2 3 45 6

1 2 3 4 5 6

1 2 a 3 45 6

Compilation fails

1 2 followed by an exception

Car

Ford

Dodge

Wheels

Vehicle