Exercise String method - Java Language Basics

Java examples for Language Basics:String

  1. HOME
  2. Java
  3. Language Basics
  4. String

Introduction

Create a String instance

Call length(), charAt(), substring(), indexOf(), toUpperCase() method.

Demo Code

public class Main {

    public static void main(String[] arguments) {
        String str = " this is a test. this is a test. this is a test?";

        System.out.println("The string is: " + str);
        System.out.println("Length of this string: " + str.length());
        System.out.println("The character at position 6: " + str.charAt(6));
        System.out.println("The substring from 26 to 32: " + str.substring(26, 32));
        System.out.println("The index of the first 'a': " + str.indexOf('a'));
        System.out.println("The index of the beginning of the " + "substring \"IBM\": " + str.indexOf("IBM"));
        System.out.println("The string in uppercase: " + str.toUpperCase());
    }/*from   w ww.j a v  a 2 s. co m*/
}

Result


Related Tutorials