//Sting Class
class String1{

public static void main(String[] args){
//String str="Hello";
//String str = new String( "abc");
//str = "bcd";
//byte str[] = {'h', 'e', 'l','l','o','o'};
//System.out.println(str);
String str1="Hello";
String str2="HEllo how are you";
/*System.out.println(str2.indexOf('l',3));
System.out.println(str2.indexOf("are"));
System.out.println(str2.length());
System.out.println(str2.isEmpty());
System.out.println(str2.substring(1));
System.out.println(str2.substring(1,4));*/
char[] ch;
ch=str1.toCharArray();
for(int i=0;i<str1.length();i++)
System.out.println(ch[i]);
System.out.println(str2.toLowerCase());

}
}