Character to String example

package com.concretepage;

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.hibernate.mapping.Value;

public class CharactertoString {
public static void main(String[] args) {
char[] character = new char[10];
character[0] = 0;  character[1] = 1;
character[2] = 2;  character[3] = 3;
character[4] = 4;  character[5] = 5;
character[6] = 6;  character[7] = 7;
character[8] = 8;  character[9] = 9;
//character[10] = 10;

System.out.println(character.length);

char c = 'S';
System.out.println(String.valueOf(c));
char m = 'M';
System.out.println(Character.toString(m));

for(int k=0;k<character.length;k++) {
System.out.print(character[k]+" ");
}

HashMap<Character, Character> hmap = new HashMap<>();
hmap.put('M', 'N');
hmap.put('O', 'P');

System.out.println();
System.out.println(hmap.get('M'));
System.out.println(hmap.get('O'));


HashMap<String, ArrayList<String>> hmap1 = new LinkedHashMap<>();
ArrayList<String> a1 = new ArrayList<>();
a1.add("1");
a1.add("2");
a1.add("3");
a1.add("4");
hmap1.put("One", a1);hmap1.put("Two", a1);hmap1.put("Three", a1);
hmap1.put("Four", a1);hmap1.put("Five", a1);hmap1.put("Six",  a1);
    System.out.println(hmap1.get("One"));
    System.out.println("hmap1.isEmpty() " + hmap1.isEmpty());
    hmap1.putAll(hmap1);
    System.out.println("hmap1 is " + hmap1);
 
 

}
}