Com-Sci Unit 5 Vocab

Iteration

Iteration

Another word for repetition.

Accumulation

To collect or gather; useful technique in loops.

Nested loop

A loop that will run to completion for each iteration of the outer loop.

sentinel loop

A loop that uses a value or dummy, to indicate the end of data entry.

pseudocode

Literally means "false code". Used as a program design aid.

Index

An integer value used to specify the position of an array element or String character.

array

An ordered collection of similar items. These items are of the same data type, i.e.: int, double, or String.

elements

What the items stored in an array are called.

an initializer list

Creating an array with specific initial values.

immutability

This term is the characteristic of Strings, and the size of arrays, that prevents those data structures from changing.

substring

A string method that returns a subset of a string at the index parameter.

String

This data type can contain any character and have any length.

IndexOutOfBoundsException

A run-time exception that occurs when the index used is outside the bounds of the array, either too small (less than zero) or too large (greater than or equal to the length of the array).

run-time error

This kind of error occurs while you are executing the program.  It usually causes the program to stop running.

compile error

This error occurs when you are validating the syntax of the program.

concatenation

This term defines the process of combining Strings with other Strings or other data types.

length()

A string method that returns an integer that is the total number of characters in the string.

method

a collection of statements that are grouped together to perform an operation. When you call the System.out.println() it is a method. In other words, it does something.

0

The "default value" for the array int[] arr = new int[100];

0.0

The default value for the array double[] arr = new double[50];

false

The "default value" for the array boolean[] arr = new boolean[75];

How do you access the length of an array?

You use the length property

How do you access the length of a string?

You use a method