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Strings and Object References in Java

16. charAt()



Answer:
|None but the brave deserves the fair.|


charAt()





    









    





    
The charAt(int index) method returns a single character at the specified index. If the index is negative, or greater than length()-1, an IndexOutOfBoundsException is thrown (and for now
        your program stops running).





    
The value returned by charAt(int index) is a char, not a String containing a single character. A char is a primitive data type, consisting of two bytes that encode
        a single character.





    

        

    





    

        

            
                

                    Expression
                    Result
                

                

                    String source = "Subscription";
                    "Subscription"
                

                

                    source.charAt(0)
                    'S'
                

                

                    source.charAt(1)
                    'u'
                

                

                    source.charAt(5)
                    'r'
                

                

                    source.charAt(source.length()-1)
                    'n'
                

                

                    source.charAt(12)
                    IndexOutOfBoundsException
                

            
        

    










Question 16:
What is output by the following fragment:
    System.out.println( ("Orange " + "Soda").charAt( 7 ) );