Java's Built-in Objects

Practical exercises supporting this section are in Exercise sheet 3.

When you have completed this section you should be able to:

• Recognise how ArrayList types are created from other types
• Write Java code which creates and modifies arrayLists
• Appreciate the features which arrayLists provide which are extra to those provided by arrays
• Use type variables to write generic static methods which work on arrayLists of any base type
• Write and understand code which uses common String methods
• Use Scanner objects for input in Java code, and for string tokenizing
• Recognise the role of wrapper classes in Java
• Write code which works on strings, using both iteration and recursion

Last modified: 30 June 2006