package java_oops; public class StringFunctions { public static void main(String args[]){ String name = "Gaurav"; System.out.println(name.length()); name = name.concat(" Surnis"); System.out.println(name); System.out.println(name.concat(" Surnis")); System.out.println(name.equals("gaurav surnis")); System.out.println(name.equalsIgnoreCase("gaurav surnis")); System.out.println(name.toLowerCase()); System.out.println(name.toUpperCase()); System.out.println(name.substring(0,6)); System.out.println(name.substring(1)); System.out.println(name.charAt(5)); System.out.println(name.contains("Gau")); System.out.println(name.replace("Gau", "stu")); String surname = "gaurav"; System.out.println(surname.substring(3,6)); } }