重写equals方法

public class MenuTest {
 public MenuTest(String name, String title) {
  super();
  this.name = name;
  this.title = title;
 }

 private String name;
 private String title;

 public String getName() {
  return name;
 }

 public void setName(String name) {
  this.name = name;
 }

 public String getTitle() {
  return title;
 }

 public void setTitle(String title) {
  this.title = title;
 }
@Override
 public boolean equals(Object o) {
  System.out.println("GGG");
  if (this == o)
   return true;
  if (o == null)
   return false;
  if (!(o instanceof MenuTest))
   return false;
  final MenuTest other = (MenuTest) o;
  if (name == null || other.name == null) {
   return false;
  } else if (!name.equals(other.name))
   return false;
  return true;

 }
 
}