Java Set 19

delete() ✘ remove() ✘ clear() ✘ removeAll() ✔

getAll() ✘ getKeys() ✘ keyall() ✘ keySet() ✔

Private ✘ Immutable ✘ Final ✘ Immutable and Final ✔

Output stream ✘ I/O stream ✘ Filtered stream ✘ File stream ✔

The 'HashTable' is a sub class of the 'Dictionary' ✘ The 'ArrayList' is a sub class of the 'Vector' ✘ The 'LinkedList' is a sub class of the 'ArrayList' ✘ All of these ✔

Set ✘ LinkedList ✘ Vector ✘ All of these ✔

The keyword synchronize ✘ The keyword synchronizable ✘ The keyword synchronized ✘ None of these ✔

A class has only one finalize method. ✘ A class has multiple finalize methods. ✘ Both of these ✘ None of these ✔

java.awt.AWTEvent ✘ java.util.EventListener ✘ java.awt.event.AWTEvent ✘ java.util.EventObject ✔

The 'Void' class extends the 'Class' class. ✘ The 'Float' class extends the 'Double' class. ✘ The 'System' class extends the 'Runtime' class. ✘ The 'Integer' class extends the 'Number' class. ✔