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  1.  
  2. import java.util.*;
  3. import java.lang.*;
  4. import java.io.*;
  5.  
  6. class Demo {
  7.  
  8.     public static void main(String a[]){
  9.  
  10.         LinkedHashSet<String> s1 = new LinkedHashSet<String>();
  11.         s1.add("first");
  12.         s1.add("second");
  13.         s1.add("third");
  14.         System.out.println(s1);
  15.         System.out.println("LinkedHashSet size: "+s1.size());
  16.         System.out.println("Is LinkedHashSet emplty? : "+s1.isEmpty());
  17.     }
  18. }
Success #stdin #stdout 0.05s 4386816KB
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stdin
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Standard input is empty
stdout
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[first, second, third]
LinkedHashSet size: 3
Is LinkedHashSet emplty? : false
https://ideone.com/q20KnA
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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