Java Exam Oct. #1 assesses advanced Java concepts including encapsulation, collection classes, multithreading, and class design. It is designed to test practical implementation skills and theoretical knowledge, vital for proficient Java programming.
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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:
ClassD has low cohesion
ClassA has weak encapsulation
ClassB has weak encapsulation
ClassB has strong encapsulation
ClassC is tightly coupled to ClassA
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AddSize
GetCust
DeleteRep
IsColorado
PutDimensions
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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
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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
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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
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Car
Ford
Dodge
Wheels
Vehicle
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Java.util.HashSet
Java.util.LinkedHashSet
Java.util.List
Java.util.ArrayList
Java.util.Vector
Java.util.PriorityQueue
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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) { } }
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