nand2tetris/projects/10/ArrayTest/Main.jack

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// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/10/ArrayTest/Main.jack
// (identical to projects/09/Average/Main.jack)
/** Computes the average of a sequence of integers. */
class Main {
function void main() {
var Array a;
var int length;
var int i, sum;
let length = Keyboard.readInt("HOW MANY NUMBERS? ");
let a = Array.new(length);
let i = 0;
while (i < length) {
let a[i] = Keyboard.readInt("ENTER THE NEXT NUMBER: ");
let i = i + 1;
}
let i = 0;
let sum = 0;
while (i < length) {
let sum = sum + a[i];
let i = i + 1;
}
do Output.printString("THE AVERAGE IS: ");
do Output.printInt(sum / length);
do Output.println();
return;
}
}