Ap CSA FRQ TIPS

instantiating array

type[] variable or type variable[]

creating an array(2 ways)

type[] variable = new type[length]

OR

type[] variable = {insert values}

How to use random

Math.random()(m must be capital)

ArrayList

A class in Java that provides resizable arrays.

how to create a 2D Array

type [][] variable name = new type[length][length];

OR

type[][] variable name = {{}};

how to enhanced for loop for 2d array

int [][] arr = new int[3][4];

for(int [] row: arr)

for(int element: arr)