Java Practice Final 2

A value-returning method must specify ________ as its return type in the method header.

Any valid data type

________ refers to the physical components that a computer is made of.

Hardware

Which of the following statements will create an object from the Random class?

Random myNumber = new Random();

A runtime error is usually the result of ________.

a logical error

Which of the following is a named storage location in the computer's memory?

a variable

In all but very rare cases, loops must contain, within themselves ________.

a way to terminate

Class objects normally have ________ that perform useful operations on their data, but primitive variables do not.

methods

In the header, the method name is always followed by ________.

parentheses

While ________ is centered on creating procedures, ________ is centered on creating objects.

procedural programming, object-oriented programming

Which of the following is not a part of a method call?

return type

The end of a Java statement is indicated by a(n) ________.

semicolon (;)

Which of the following is not a primitive data type?

string

Internally, the central processing unit (CPU) consists of two parts which are ________.

the control unit and the arithmetic/logic unit (ALU)

In the following Java statement, what value is stored in the variable name?String name = "John Doe";

the memory address where "John Doe" is located

When an object is passed as an argument to a method, what is passed into the method's parameter variable?

the object's memory address

In Java, ________ must be declared before they can be used.

variables

The binary search algorithm ________.

will cut the portion of the array being searched in half each time it fails to locate the search value

A partially filled array is normally used ________.

with an accompanying integer value that holds the number of items stored in the array

What will be the values of x and y as a result of the following code? int x = 25, y = 8; x += y++;

x = 33, y = 9

What would be the result after the following code is executed? int[] x = {23, 55, 83, 19}; int[] y = {36, 78, 12, 24}; x = y; y = x;

x[] = {36, 78, 12, 24} and y[] = {36, 78, 12, 24}

What is the value of ans after the following code has been executed? int x = 35; int y = 20, ans = 80; if (x<y) ans += y;

100

A(n) ________ can be thought of as a blueprint that can be used to create a type of ________.

class, object

Variables of the boolean data type are useful for ________.

evaluating conditions that are either true or false

You should not define a class that is dependent on the values of other class fields ________.

in order to avoid having stale data

A random number, created as an object of the Random class, is always a(n) ________.

integer

A ________ is a part of a method that contains a collection of statements that are performed when the method is executed.

method body