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  1. import java.util.Arrays;
  2. import java.util.List;
  3. import java.util.Set;
  4. import java.util.HashSet;
  5.  
  6. public final class Main {
  7.  
  8.   public static void main(final String[] argv) {
  9.     final List<Object[]> raw = Arrays.asList(new Object[] {
  10.       null, "abc@aaa.com", "ENG", "775778435", 1
  11.     }, new Object[] {
  12.       null, "abc@aaa.com", "ENG", "775778435", 1
  13.     });
  14.  
  15.     final Set<User> users = new HashSet<User>();
  16.     for (final Object[] result : raw) {
  17.       users.add(new User((String) result[0], (String) result[1],
  18.           (String) result[2], (String) result[3], (Integer) result[4]));
  19.     }
  20.  
  21.     for (final User user : users) {
  22.       System.out.println("non-duplicate: " + user.email());
  23.     }
  24.   }
  25. }
  26.  
  27. final class User {
  28.  
  29.   private String firstName;
  30.   private String email;
  31.   private String language;
  32.   private String productCode;
  33.   private int status;
  34.  
  35.   public User(String fName, String userId, String lang, String productCode, int status) {
  36.     this.firstName = fName;
  37.     this.email = userId;
  38.     this.language = lang;
  39.     this.productCode = productCode;
  40.     this.status = status;
  41.   }   
  42.  
  43.   public String firstName() {
  44.     return firstName;
  45.   }
  46.  
  47.   public void setFirstName(String firstName) {
  48.     this.firstName = firstName;
  49.   }
  50.  
  51.   public String email() {
  52.     return email;
  53.   }
  54.  
  55.   public void setEmail(String email) {
  56.     this.email = email;
  57.   }
  58.  
  59.   public String language() {
  60.     return language;
  61.   }
  62.  
  63.   public void setLanguage(String language) {
  64.     this.language = language;
  65.   }
  66.  
  67.   public String productCode() {
  68.     return productCode;
  69.   }
  70.  
  71.   public void setProductCode(String productCode) {
  72.     this.productCode = productCode;
  73.   }
  74.  
  75.   public int status() {
  76.     return status;
  77.   }
  78.  
  79.   public void setStatus(int status) {
  80.     this.status = status;
  81.   }
  82.  
  83.   @Override
  84.   public int hashCode() {
  85.     return (firstName == null ? 0 : firstName.hashCode())
  86.         + (email == null ? 0 : email.hashCode())
  87.         + (language == null ? 0 : language.hashCode())
  88.         + (productCode == null ? 0 : productCode.hashCode())
  89.         + status;
  90.   }
  91.  
  92.   @Override
  93.   public boolean equals(Object obj) {
  94.     if (obj instanceof User) {
  95.       User temp = (User) obj;
  96.  
  97.       return (firstName == temp.firstName || firstName != null && firstName.equalsIgnoreCase(temp.firstName))
  98.           && email != null && temp.email != null && email.equalsIgnoreCase(temp.email) 
  99.           && language != null && temp.language != null && language.equalsIgnoreCase(temp.language)
  100.           && productCode != null && temp.productCode != null && productCode.equalsIgnoreCase(temp.productCode)
  101.           && status == temp.status;
  102.     } else {
  103.       return false;
  104.     }
  105.   }
  106. }
Success #stdin #stdout 0.07s 215552KB
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non-duplicate: abc@aaa.com
https://ideone.com/hXq3t
language:
Java (12.0.1)
created:
13 years ago
visibility:
public

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