• handling character array
• LinkedList, List, ArrayList

//
import java.io.*;
import java.lang.reflect.*;
import java.util.*;

public class ClassTemplate1 {

public String str1; private String str2; public ClassTemplate1() {
// TODO Auto-generated constructor stub
str2="encapsulated strictly Private scope";
System.out.println(str2);
}

public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
Character[] array1 = {'A' ,'C', 'E', 'G','F'};
Character[] array2 = {'P' ,'S', 'A', 'J','N'};
try{
//simple_list2
List<Character> list1 = new LinkedList<Character>();
List<Character> list2= new ArrayList<Character>(Arrays.asList(array2));
for(Character str1: array1)// populating list with array
{
list1.add(str1);
}
System.out.println("Printing list1.add(str1):: List<String> str1");
Process.display(list1);
System.out.println();
System.out.println("List2 contents");
Process.display(list2);
//list1.addAll(list2); // append list2
array1 = list2.toArray(new Character[ list2.size()]);
System.out.println();
System.out.println("List To Array conversion");
System.out.println("\t"+"array1 replace by List2");
Process.display2(array1);

System.out.println();
}catch(NumberFormatException e){
//
}
}
}
class Process{

Process(){}
public static void display(List<Character> str1){
for (Object obj1 :str1)
System.out.print(" " +obj1);
}
public static void display2(Character[] str1){
for(Character strx : str1)
{
System.out.print(" "+ strx );
}
}
}