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Thread: New to Java and not sure how to start my assignment using scanner, length method, and substring method

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    Default New to Java and not sure how to start my assignment using scanner, length method, and substring method

    note: I have not taken any cpu/java classes besides the one I am currently enrolled in. I am currently in a computer science 101 class for java. I am not asking for you to do my homework assignment for me, but to help me get started/understand. Thank you.

    My assignment is to ask the user to enter a string
    Then to display the length of their string, as well as to ask which numbers they want to look between.
    After they enter which numbers they want to look between, it must then display what words/letters are within those 2 numbers.

    Example:
    Enter a string:
    I love coffee

    The length of the string is: 13
    Enter the numbers you want to look between
    2
    5


    The part of the string between 2 and 5 is: love



    My instructor hinted that we will be using scanner, length method, and substring method


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    Default Re: New to Java and not sure how to start my assignment using scanner, length method, and substring method

    Hi,

    post your code and ask specific questions. It's hard to help you without knowing where you are stuck. Break the assignment down to small bits, start with getting the user input. Read the API docs your instructor has mentioned.

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    JavaNewbie14 (October 2nd, 2014)

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    Default Re: New to Java and not sure how to start my assignment using scanner, length method, and substring method

    this is what i have so far. now how do i use the substring method so that the user can input 2 integers and then display the part of the string between those 2 integers?



    import java.util.Scanner;
     
    class Strings
    {
         public static void main(String[] args)
         	{
    			System.out.println("Enter a string, then hit enter.");
     
    		 	Scanner keyboard = new Scanner(System.in);//Scanner is titled keyboard
    		 	String userString = keyboard.nextLine();//String inputed by user is titled userString
    			int count = userString.length();
    			System.out.println("\nYour string has a length of " + userString.length() + ". Enter the numbers you want to look between.");
     
    		}
    }
    Last edited by JavaNewbie14; October 2nd, 2014 at 04:16 AM.

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    Default Re: New to Java and not sure how to start my assignment using scanner, length method, and substring method

    Have you read the String API to see how to use the substring() method? Start there.

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    JavaNewbie14 (October 2nd, 2014)

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    Default Re: New to Java and not sure how to start my assignment using scanner, length method, and substring method

    thank you, i was able to figure it out

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