1package net.minecraft.server; 2 3import java.util.Random; 4 5public class BlockGravel extends BlockSand { 6 7 public BlockGravel(int i, int j) { 8 super(i, j); 9 } 10 11 public int a(int i, Random random) { 12 return random.nextInt(10) == 0 ? Item.FLINT.id : this.id; 13 } 14}