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2 - Variables

Java Review for APCS

Boolean expression is either true or false
Camel Case One way to create a variable name by appending several words together and uppercasing the first letter of each word after the first word (myScore).
Casting a Variable Changing the type of a variable using (type) name
Double A type in Java that is used to represent decimal values
Declare a Variable Specifying the type and name for a variable. This sets aside memory for a variable of that type and associates the name with that memory location
Initializing a Variable The first time you set the value of a variable
Integer a whole number
Modulus The % operator which returns the remainder from one number divide by another.
Operator Common mathematical symbols such as + for addition and * for multiplication.
Random Number a random number picked from a range of numbers
Shortcut Operators Operators like x++ which means x = x + 1 or x *=y which means x = x * y.
Variable A name associated with a memory location in the computer.
keyword boolean used to declare a variable that can only have the value true or false
keyword double used to declare a variable of type double
keyword false one possible value for a boolean variable; equal to 0
keyword int used to declare a variable of type integer
keyword static means that the field or method exists in the object that defines the class
keyword true one possible value for a boolean variable; equal to 1
Created by: shoemaker