compsci study

Scanner sc

Scanner sc = new Scanner(System.in);

String text

String text = sc.nextLine():

int number

int number = sc.nextInt();

double number

double number = sc.nextDouble();

Math.max(1,2)

returns max of 2 numbers (equals 2)

Math.squrt(4);

Returns square root (equals 2)

Math.pow(2,4); 

returns 2^4 (equals 16)

(Math.random() *(44-22) + 50);

would print out a random number ranging from 50-77

data type

used to initialize variables in Java (e.g. int, boolean, double, string

error

a problem that an application should not try to recover from

debugging

removing errors from computer hardware or software

variable

elements that is used to store data

String

an object that represent a sequence of characters

Scanner

allows the program to store inputs from the user

Declaration

giving your variable a value

else statement

only runs if none of the if statements run

Syntax

the set of rules that define the structure of a Java program

Conditions

if, if else, else,

compile

transforming human code to be more understandable for Java

Casting

TProcess of turning a random number into an integer

boolean

Data type that has the value true or false

Concatenation

process of combining two strings into one big string