1 package test1; 2 3 public class DollarClass { 4 int f = 1; 5 run()6 public int run() { 7 return k1(4) + k2(3); 8 } 9 k1(int i)10 public int k1(int i) { 11 return i; 12 } 13 k2(int i)14 public static int k2(int i) { 15 return i + k3(i); 16 } 17 k3(int i)18 public static int k3(int i) { 19 return i; 20 } 21 } 22