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| A type of program which is designed to be transmitted over the Internet and run in a Web browser. |
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Definition
The following snippet of code appears in a Java program. It can be most appropriately described as a_____________________
"Hello World" |
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| A class that signals a condition that prevents a program from continuing, and subsequently generates an error message from the Java Virtual Machine is called a(n)__________________. |
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| An unambiguous, executable, and terminating specification of a way to solve a problem is called a(n) _____________________. |
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Definition
| Instructions in a Programming Language that need to be translated before execution on a computer. |
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Definition
Trace the following algorithm. What would it output (display)?
Set a to 10
Set b to 2
Set c to 4
Set a to (a x b)
Set c to (b x c)
Set b to (a + c)
Print b |
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Term
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Definition
| What type of memory is usually volatile (ie. is erased when electrical power is turned off)? |
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Term
| when the program is running |
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Definition
| A syntax error is usually detected during: |
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Definition
| A program logic error that occurs after a program has successfully compiled and is subsequently run is referred to as a: |
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Definition
The following algorithmic psuedocode calculates the area of a triangle. What is the problem with this code?
Area = 1/2 x base x height
Get base
Get height
Print Area |
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Definition
| Which of the following is not an example of a valid assignment statement (Assume all variables have been properly declared, and if needed also initialized): |
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Definition
| These characters mark the beginning of multi-line comments: |
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Definition
| Which Scanner Class method would you use to read an integer as input? |
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Definition
| Which Scanner class method would be most approriate to read textual(string) input into a program? |
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Definition
| Which type of operator allows you to manually convert a value to a value of a different data type. |
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Definition
| The following is a primitive data type: |
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Definition
What does the following Java code sequence print?
String str = "Hello World!";
int n = str.length();
String shortString = str.substring(0,1) + str.substring(n-1, n);
System.out.println(shortString); |
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Term
| age = Integer.parseInt(str); |
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Definition
Given the Java code:
int age;
String str;
str = JOptionPane.showInputDialog("Enter your age: "); |
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Term
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Definition
What does the following Java code sequence print?
int m = 18;
int n = 4;
System.out.println(m/n + m%n); |
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Term
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Definition
| True or False: When you are accumulating a sum of numbers, it is not necessary to initialize the variable to hold the sum. |
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Definition
| True or False: A variable may be declared in the initialization expression of the for loop. |
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Term
| The loop will iterate infinitely. |
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Definition
What happens when you place a semicolon immediately after the condition in the while loop below?
int i = 0;
while (i < 10);
{
System.out.println(i + " ");
i++;
} |
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Term
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Definition
What will the following code print out ?
int count = 1;
while (count <= 10)
{
count = count + 2;
System.out.print(count + " ");
} |
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Term
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Definition
| This type of loop always executes at least once and is classified as a post-test loop. |
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Definition
In the following code segment, which variable is the loop control variable?
int a, x = 1, y = 5;
while (x < 100)
{
a = x*x;
y*= x;
x++;
} |
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Term
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Definition
In what numerical order do the following things happen in a for loop that uses a loop control variable ?
1. The loop body is executed.
2. The loop control variable is updated.
3. The loop control variable is initialized.
4. The loop control variable is tested, and if true... |
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Term
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Definition
How many iterations would the following loop carry out?
(Assume that i is not changed in the loop body).
for (int i = 1; i < 10; i++)
{
// do something useful ...
} |
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Definition
In the following loop, how many times will "Java is great!!!" be printed?
for (int count = 10; count <= 21; count++)
{
System.out.println("Java is great!!!"+ count);
} |
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Term
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Definition
| According to the author of your text, do Loops are commonly used when _________________. |
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Term
| Control is returned to method C |
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Definition
| If method A calls Method B, and method B calls method C, and method C calls method D, when method D finishes, what happens? |
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Term
| Its value is copied into the method's parameter variable |
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Definition
| When an argument is passed to a method, |
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Term
| Do not include the data type in the method call |
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Definition
What is wrong with the following method call?
displayValue (double x); |
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Term
| displayValue(a,b); where a is an integer and b is an integer |
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Definition
Given the following method header, which of the method calls would NOT be an error?
public void displayValue(int x, int y) |
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Term
| Are lost between calls to the method in which they are declared |
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Definition
| Values stored in local variables |
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Term
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Definition
| The process of breaking a problem down into smaller pieces is called |
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Term
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Definition
| True or False. When a method is called, the value passed to a formal parameter within the method heading is referred to as an argument (or actual parameter). |
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Term
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Definition
Which of the following would be a valid method call for the following method?
public static void showProduct(double num1, int num2)
{
double product;
product = num1 * num2;
System.out.println("The product is " + product); |
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Term
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Definition
| True or False. The scope of a variable is the part of the program in which it is accessible. |
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Definition
| True or False. Two local or parameter variables can have the same name, provided that their scopes do not overlap. |
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Definition
| True or False. The scope of a local variable declared in a program block (or method) begins when it is declared and ends when the program block (or method) terminates. |
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