Answer / rakesh

simple. use $unique=array_unique($string) and echo the $unique variable in as usual way to get the answer

Answer / sreejesh1987

import java.io.*;
class Unique
{
public static void main(String args[])
{
int i,n;
int [] $string=new int[20];
DataInputStream ds=new DataInputStream(System.in);

try
{
System.out.println("Enter the number of elements:");
n=Integer.parseInt(ds.readLine());


System.out.println("Enter the numbers");
for(i=0;i<n;i++)
$string[i]=Integer.parseInt(ds.readLine());

for(i=0;i<n;i++)
{
int f=0;
for(int j=0;j<i;j++)
if($string[j]==$string[i])
f=1;
if(f==0)
System.out.print("$string["+i+"]:"+$string[i]+"\n");
}
}

catch(Exception e){}


System.exit(0);
}
}

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