import java.util.HashSet;
class DuplicateNumberArray2
{
public static void main(String[] args)
{
String[] arr = {"xyz", "def", "mno", "xyz", "pqr", "xyz", "def"};
HashSet<String> hs=new HashSet<String>(); //HashSet does not allow duplicate Value
System.out.println("All Duplicate Elements are :");
for (String s:arr)
{
if(hs.add(s)==false) //Duplicate value will not insert & return false
System.out.println(s);
}
}
}
class DuplicateNumberArray2
{
public static void main(String[] args)
{
String[] arr = {"xyz", "def", "mno", "xyz", "pqr", "xyz", "def"};
HashSet<String> hs=new HashSet<String>(); //HashSet does not allow duplicate Value
System.out.println("All Duplicate Elements are :");
for (String s:arr)
{
if(hs.add(s)==false) //Duplicate value will not insert & return false
System.out.println(s);
}
}
}
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