Tag: technology

What argument types are legal for switch statements? (Choose all that apply)

The following are data type conversions that would be performed when initializing variables. Which one may lose information in the conversion process?

Which of the following are appropriate ways to use assertions? (Choose all that apply) You have not made any correct choices. The correct options are as follows

You are writing an assertion expression in your code. Which code is legal?

you assign a value to the primitive variables x and y as indicated below. Which declaration for z must be used for this code to properly compile? byte x = 3; byte y = 2; // insert declaration for z here z = x + y;

You have declared a single dimensional array of type int using the following code: int [] MyInt = new int [10]; You are attempting to initialize all of the arrays segments with a for loop using the following code: for (int x = 0; x <= 10; x++) { MyInt[x] = x; } What will happen when you attempt to compile the program that contains this code?

What is the result of int 8 >> 1?

The following code throws an exception. public class ContainerClass { public void draw() throws IOException { // additional code to write values to file. system.out.println("This container was drawn and saved to file."); return true; } } What code overrides this method? (Note that Exception itself is a superclass of IOException)

Which modifier is used to prevent a method from being overridden?

You have the following class definitions: public abstract class Vehicles { } public class Bus { } public class MyClass { public Vehicles go() { return new Bus(); } } What change would have to be made to allow this code to compile?