Answers for "how do arrays work in java"

how to declare array java

int intArray[];    //declaring array
intArray = new int[20];  // allocating memory to array
//OR
int[] intArray = new int[20]; // combining both statements in one

how to create an array in Java

//data_type[] variable_name = { "stuff", "stuff", stuff" }
String[] cars = {"car1", "car2", "car3"}

or
// data_type[] variable_name = new data_type[size]
int[] myNumbers = new int[3]