import edu.umd.cs.findbugs.annotations.NonNull; import edu.umd.cs.findbugs.annotations.Nullable; public class ExampleClass { @NonNull private String name; @Nullable private String description; public ExampleClass(String name) { this.name = name; } public void setDescription(@Nullable String description) { this.description = description; } public void printInfo() { System.out.println(name + ": " + description); } }