1 package com.uber.mylib; 2 3 import javax.annotation.Nullable; 4 import org.utilities.StringUtils; 5 6 /** A sample class. */ 7 public class MyClass { 8 log(@ullable Object x)9 static void log(@Nullable Object x) { 10 if (x == null) { 11 return; 12 } 13 System.out.println(x.toString()); 14 } 15 checkModel(@ullable String s)16 static int checkModel(@Nullable String s) { 17 if (!StringUtils.isEmptyOrNull(s)) { 18 return s.hashCode(); 19 } 20 return 0; 21 } 22 foo()23 static void foo() { 24 log(null); 25 } 26 } 27