What does the suffix of rc added to the version number of a MySQL application indicate?
What will be an ideal response?
A suffix of rc indicates that an application is a release candidate.
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The ________ class destructor is called before the ________ class destructor.
A) base, derived B) derived, base C) public, private D) private, public E) None of the above
Answer the following statements true (T) or false (F)
1. The Protected members of a base class may be accessed in their class or any classes derived from that base class. 2. With Protected instance variables in the base class, all the derived classes of the base class may need to be modified if the base-class implementation changes. In such a case, the software is said to be non-modifiable, because a small change in the base class can “break” derived-class implementations. 3. In practice, derived classes should depend only on the base-class services (that is, Private methods and properties) and not on the base-class data implementation. 4. Polymorphism allows the addition of classes providing they were at least considered during program development. 5. When a request is made to use a derived-class-object method through a base-class reference, Visual Basic polymorphically chooses the correct overridden method in the derived class that is associated with the object.
What does the following code do?
``` 1 try 2 { 3 double myDouble1 = 4 Double.parseDouble( double1JTextField.getText() ); 5 double myDouble2 = 6 Double.parseDouble( double2JTextField.getText() ); 7 double result = myDouble1 * myDouble2; 8 resultJTextField.setText( String.valueOf( result ) ); 9 } 10 catch( NumberFormatException exception ) 11 { 12 JOptionPane.showMessageDialog( this, 13 "Please enter decimal numbers", 14 "NumberFormatException occurs", JOptionPane.ERROR_MESSAGE ); 15 } /code}
A menu of commands that matches characters you type into the query design grid is ________
Fill in the blank(s) with correct word