Answer Posted / indresh_ips

Hey, Here is the program of Unique ArrayList.........
Just Run It........

import java.util.*;
class ArrayListUnique {

static public ArrayList uniqueArrayList(ArrayList arrl) {
int i;
for(int k=0;k<arrl.size();k++) {
Object s=arrl.get(k);
i=Collections.frequency(arrl,s);

for(int j=1;j<i;j++) {

arrl.remove(s);
}
}
return arrl;
}
public static void main (String[] args) {
ArrayList al= new ArrayList();

al.add("A");
al.add("A");
al.add("B");
al.add("C");
al.add("B");
al.add("A");
al.add("D");
al.add("D");
al.add("D");
al.add("D");
al.add("A");
al.add("B");
al.add("F");
al.add("G");
al.add("G");
al.add(10);
al.add(5);
al.add(10);
al.add(5);
System.out.println ("Before declaring unique:"+al);

ArrayList a=ArrayListUnique.uniqueArrayList(al);

System.out.println ("after declaring unique: "+a);
}
}

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