package tests; public class Static3 extends Static1 { public static int z; public static int sum; public static void main(String []args) { sum = 0; Static3.x = 0x111; Static3.y = 0x555; sum += Static1.addNumbers(); // 0x666 Static1.setNumbers(); sum += Static1.addNumbers(); // 0x33 Static3.z = 0x11; sum += Static3.addNumbers(); // 0x44 getSum(); // 0x666 + 0x33 + 0x44 = 0x6dd // System.out.printf("%x\n", getSum()); } public static int getSum() { return sum; } public static int addNumbers() { return x + y + z; } }