package string; public class StringDemo1 { public static void main(String[] args) { String message = "Welcome to Java"; System.out.println(message.length()); int length1 = "Welcome to Java".length(); System.out.println(length1); System.out.println(message.charAt(6)); message.charAt(message.length() - 1); String s1 = "Java"; String s2 = " Programming"; String s3 = s1.concat(s2); System.out.println(s3); String s4 = s1 + s2; System.out.println(s4); String s5 = s1 + 11; System.out.println(s5); //+= s3 += " and Java is fun";//s3 = s3+" Java is fun" System.out.println(s3); int i = 1, j = 1; System.out.println("i + j is" + (i + j)); System.out.println(message.toLowerCase()); System.out.println(message.toUpperCase()); String s6 = " Java "; System.out.println(s6); System.out.println(s6.trim()); String s7 = "\t Good Night \n"; System.out.println(s7); System.out.println(s7.trim()); } }