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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	String nome;
  11.  
  12. 	public Ideone(String nome){
  13. 			this.nome = nome;
  14. 		}
  15.  
  16. 	public static void main (String[] args) throws java.lang.Exception
  17. 	{
  18. 		Ideone a = new Ideone("AAA");
  19. 		Ideone b = new Ideone("BBB");
  20. 		Ideone c = new Ideone("CCC");
  21. 		Ideone copiaa = new Ideone("AAA");
  22.  
  23. 		System.out.println("a & b :" + a.equals(b));
  24. 		System.out.println("a & copia a :" + a.equals(copiaa));
  25.  
  26. 		List<Ideone> lista = new ArrayList<Ideone>();
  27.  
  28. 		lista.add(a);
  29. 		lista.add(b);
  30.  
  31. 		System.out.println("contains a :" + lista.contains(a));
  32. 		System.out.println("contains c :" + lista.contains(c));
  33. 		System.out.println("contains a em copia a :" + lista.contains(copiaa));
  34. 	}
  35.  
  36. 	@Override
  37. 	public boolean equals(Object other){
  38. 		if (!(other instanceof Ideone)){
  39. 			return false;
  40. 		}
  41.  
  42. 		if (other == this){
  43. 			return true;
  44. 		}
  45.  
  46. 		Ideone temp = (Ideone) other;
  47.  
  48. 		return (this.nome.equals(temp.nome));
  49. 	}
  50.  
  51. }
Success #stdin #stdout 0.08s 33924KB
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stdin
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Standard input is empty
stdout
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a & b :false
a & copia a :true
contains a :true
contains c :false
contains a em copia a :true
https://ideone.com/3owlfR
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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