Difference between revisions of "SET08112"

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(SET08112 ArrayList INterface Tutorial)
(SET08112 ArrayList Interface Tutorial)
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==SET08112 ArrayList Interface Tutorial==
 
==SET08112 ArrayList Interface Tutorial==
 
In this tutorial you will use the ArrayList and the HashMap or TreeMap to solve some common problems.
 
In this tutorial you will use the ArrayList and the HashMap or TreeMap to solve some common problems.
 +
You will use methods such as:
 +
* java.util.Collections.sort
 +
* add
 +
* get
  
 
==Problem 1 - Sort a List==
 
==Problem 1 - Sort a List==

Revision as of 13:51, 26 January 2011

SET08112 ArrayList Interface Tutorial

In this tutorial you will use the ArrayList and the HashMap or TreeMap to solve some common problems. You will use methods such as:

  • java.util.Collections.sort
  • add
  • get

Problem 1 - Sort a List

The file from http://www.dcs.napier.ac.uk/~cs66/SET08112/tut2/students.txt contains a list of students:

ADAMS, ROBERT
HASTIE, MARTIN
OTHIENO, JUDITH
ANDERSON, ROSS
...

Create a programme SortStudents.java that reads in this file and outputs the students in Alphabetical order.

  • You can use an ArrayList to hold the students.
  • ArrayList<String> names = new ArrayList<String>();
  • You can use java.util.Collections.sort to sort the ArrayList


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