comp sci summer work

algorithm

A methodical, logical rule or procedure that guarantees solving a particular problem.

sequencing

to arrange in a specific order

syntax error

a mistake in the program where the rules of the programming language are not followed.

logic error

an error that produces the wrong output, happens after

run time error

A mistake in a program that happens during, stops the program

data type

indicates the type of data that can be stored in a field

primitive data type

Integer, real, character or Boolean data types, fundamental

reference type

a data type that contains a pointer to the memory location of an object

int

a command defining variables, whole numbers

double

data set that stroes numbers with decimals

boolean

A single value of either TRUE or FALSE

variable

a named container for a value in memory, must declare it

literal

an unchanging variable as soruce code

escape sequence

A sequence of code that represents a special character when used inside a string, /n

remainder operator %

Performs division and returns the remainder

assignment operator/statement

allows a program to change the value represented by a variable equals sign

casting operator

Converts one data type to another.

interger overflow error

when a mth number is too high

round off error

Error from attempting to represent a number that is too precise. The value is rounded.

comment

not an executable command, used for clarity

precondition

a condition that must be true to run

postcondition

a condition that is guaranteed to be true after the code is ran

method

a block of code preforming a task

parameter

a variable used in a function to recieve input values when a procedure is called

void method

a method that does not return any result after completion

non void method

A method that returns a value

class method

method bound to the class, not the object

object

a part of the program thar knows how to executre a command and preform actions

class

a template for creating actions

superclass

class that inherits another

subclass

class that inherits attributes from another class

compiler

A computer program created to read an entire program and convert it into bytecode(0's and 1's)

string literal

text in double quotes

compound assignmnt operators

used in place of assignment operator in numeric expressions

increment/decrement operators

used to add or subtract from stored values

API

informs programmer how to use classes

declaration

creates a container name, int studentAge

Initialization

the answer to a declaration, studentAge = 16

expression

combination of variables, literals and operators

output

provides methods for displaying information to the console

Widening Conversion (Implicit)

Happens when you convert a smaller data type to a larger one

Narrowing Conversion (Explicit)

Requirs you to manually specify the casr using parentheses