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IB103 Week 3 String Arrays & Processing Chapter 15
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String Arrays An example: String cities[] = new String[10]; // array of strings cities[0] = “London”;
![String Arrays An example: String cities[] = new String[10]; // array of strings cities[0] = London ;](http://images.slideplayer.com./34/8356080/slides/slide_2.jpg "String Arrays An example: String cities[] = new String[10]; // array of strings cities[0] = London ;")
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Enter data, save and display
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String parameters (p289) Rewrite doubleIt so that it works and demonstrate it (p290) private void doubleIt (String any) { // should be what? any = any + any; // should be what? Because a String parameter is unchanged
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Mobile Phone Case Study 3 Case Study (Continued) Apply the array data structure to the mobile phone to create a 'phone book'. Tasks 3.1 Amend the mobile phone program so that up to 5 mobile phone numbers can be stored and displayed.
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Chapter Example Program AskFraiser See Author’s web site, run program after study of code Discuss new features
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A note on StringTokenizer class Beyond scope of this module Used for advanced string manipulation Uses delimiters for, eg Transforming file data: “Peter, Chalk, 2394, tb1/1” Is called ‘comma delimited’ A StringTokenizer can split up data between commas – see p287
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