True or False: At runtime, the Java Virtual Machine checks from the superclass a

Question

True or False: At runtime, the Java Virtual Machine checks from the superclass and i up for method definitions. When an object uses another object as a return parameter, a method argument or a local variable, the relationship ix called . When an object uses another object ax a data field the relationship is called .True or False At compile time, the Java compiler checks from the subclass and up for method definitions True or False: Static methods can neither modify nor read instance data. True or False An array is created in the main ( ) method and passed to n vo id () method The array is modified in the void ( ) method. The array will appear in its modified form when the code returns to the main method. The keyword, allows you to distinguish between data fields and local variables that have the same name. When a local variable has the same name as an instance data field any changes that are made to the variable affect the local one and not the data field. This "problem" is known as Assume you have set up a GUI container with no layout manager. Alter adding a JTextField. a JLabel and a JButton to your container. what will you see in your GUI? The javadoc tag. is used to document arguments coming into a method. If your write an object or a program with code that you want to keep secret, you can still let someone else use what you have written by providing to them only the file and preferably the so they will know bow it works. The class is a super class of ALL Java classes. Inceptions an: what considered to be what type of errors: in True or false: An abstract method serves as a placeholder for a method (hat must be defined in all sub classes. True of false" From a user perspective best way to handle exceptions is to handle all of the different types in a single catch statement and lo output a single, generic error message. The primary advantage to using inheritance when developing object classes is: True or false- Method overriding and method overloading arc two names for the same concept. Java provides a default no-argument constructor when the programmer does not create one in an object class. If the programmers creates a constructor with an argument, will the default no-argument constructor still be available for use? Yes or No? True or false: ArrayLlsts in Java can not be resized after they have been created? Assume you haveClassB which is a subclass of ClassA Is the following statement valid Yes or No ClassB bl = new ClassA(); A method in a subclass that has the same name and signature as a method m the super class is an example of Data fields initialized with this keyword, are directly accessible by subclasses but not by classes outside of the inheritance hierarchy. True or false. A class can extend only one superclass.

Explanation / Answer

a)False .it checks at compile time c)True d)False e)False f)Volatie g)Volatietion h)a text field ,a level,a button i)j)README file ,MAKE file k)Object

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