package btp.oneP;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collection;

import java.util.Collections;

import java.util.List;

public class CollectionMethod {

public static void main(String[] args) {

Collection<String> c = new ArrayList<String>();

c.addAll(Countries.names(6));

c.add("ten");

c.add("eleven");

System.out.println(c);

Object[] array = c.toArray();

String[] str = c.toArray(new String[0]);

System.out.println(Arrays.toString(array));

System.out.println(Arrays.toString(str));

System.out.println("Collections.max(c) = "+Collections.max(c));

System.out.println("Collections.min(c) = "+Collections.min(c));

Collection<String> c2 = new ArrayList<String>();

c2.addAll(Countries.names(6));

c.addAll(c2);

System.out.println(c);

c.remove(Countries.DATA[0][0]);

System.out.println(c);

c.removeAll(c2);

System.out.println(c);

c.addAll(c2);

System.out.println(c);

String val = Countries.DATA[3][0];

System.out.println("c.contains("+val+")="+c.contains(val));

System.out.println("c.containsAll(c2)="+c.containsAll(c2));

Collection<String> c3 = ((List<String>)c).subList(3, 5);

c2.retainAll(c3);

System.out.println(c2);

c2.removeAll(c3);

System.out.println("c2.isEmpty()="+c2.isEmpty());

c = new ArrayList<String>();

c.addAll(Countries.names(6));

System.out.println(c);

c.clear();

System.out.println("after c.clear():"+c);

}

}