1) addElement
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Answer 57)
Objective 4.1)
The import statement allows you to use a class directly instead of fully qualifying it with the full package name, adding more classess with the import statement does not cause a runtime performance overhad. I assure you this is true. An inner class can be defined with the private modifier.
3) An inner class can be defined with the protected modifier
4) An interface cannot be instantiated
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Answer 58)
Objective 4.6)
1) mousePressed(MouseEvent e){}
4) componentAdded(ContainerEvent e){}
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Answer 59)
Objective 10.1)
1) iterator
2) isEmpty
3) toArray
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Answer 60)
Objective 7.3)
2) 2) Ensures only one thread at a time may access a method or object
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