Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static String quadKey(int x, int y, final int zoom) {
        final StringBuilder quadKey = new StringBuilder();
        for (int i = zoom; i > 0; i--) {
            char digit = '0';
            final int mask = 1 << (i - 1);
            if ((x & mask) != 0) {
                digit++;
            }
            if ((y & mask) != 0) {
                digit++;
                digit++;
            }
            quadKey.append(digit);
        }
        if (quadKey.length() > 1) {
            quadKey.insert(0, "0");
        }
        return quadKey.toString();
    }
}