executing the public static main method of the class. creating an object of the
ID: 3672565 • Letter: E
Question
executing the public static main method of the class.
creating an object of the class and executing that object’s main method.
executing the class constructor.
compiling the Java code into byte code.
Formatter input = new Formatter(System.in); double value = input.nextDouble( );
Scanner input = new Scanner(System.out); double value = input.nextDouble( );
Formatter input = new Formatter(System.out); double value = input.nextDouble( );
Scanner input = new Scanner(System.in); double value = input.nextDouble( );
A double value
A string value
A float value
It depends on what type of value the user was told to input.
Creates an integer array containing 5 elements.
Initializes the array elements to the listed values.
Stores the number of elements in the array in the len variable.
All of the above.
they are used as arguments to other methods of the class.
their values are only used by the method.
their values must be shared between different methods of the class.
they are method parameters.
C++ permits derived classes to execute base class constructors, Java does not.
Inheritance in Java is protected, whereas in C++ it can be public, private, or protected.
C++ permits inheritance from multiple classes, Java does not.
Java allows multiple inheritance, C++ does not.
MyApp will contain a JFrame object which provides the display window.
MyApp inherits from JFrame, so it is a customized window.
MyApp will access JFrame methods by doing objectName.methodName(….).
MyApp will need to override JFrame methods to display buttons in the window
Explanation / Answer
1. compiling the Java code into byte code.
2. Double.parseDouble( stringVariable );
3. Scanner input = new Scanner(System.in); double value = input.nextDouble( );
4. It depends on what type of value the user was told to input.
5. All of the above.
6. their values are only used by the method.
7. C++ permits inheritance from multiple classes, Java does not.
8. MyApp inherits from JFrame, so it is a customized window.
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