Online Java Compiler

public class HelloWorld{ public static void main(String []args){ //System.out. print("The letter is:"); String st="FOUR"; String st2="TWIN"; //String st="F.O.U.R."; //for (int i=0;i<st.length();i++){ //I want to print all the letters in lower case as "four" //System.out.print("The word is:"+st.substring(1,st.length())); //st.charAt(i); //System.out.print(st.toLowerCase()); System.out.print(st +st2.charAt(1)); } }