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Presentation transcript:

© 2016 Pearson Education, Ltd. All rights reserved. Lists Chapter 12 Data Structures and Abstractions with Java, 4e, Global Edition Frank Carrano © 2016 Pearson Education, Ltd.  All rights reserved.

© 2016 Pearson Education, Ltd. All rights reserved. Lists A way to organize data Examples To-do list Gift lists Grocery Lists Items in list have position May or may not be important Items may be added anywhere © 2016 Pearson Education, Ltd.  All rights reserved.

© 2016 Pearson Education, Ltd. All rights reserved. Lists FIGURE 12-1 A to-do list © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List add (newEntry) add (newPosition, newEntry) remove(givenPosition) clear() replace( givenPosition, newEntry) getEntry( givenPosition) toArray() contains(anEntry) getLength() isEmpty() © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List FIGURE 12-2 The effect of ADT list operations on an initially empty list © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List Description of ADT List © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List Description of ADT List © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List Description of ADT List © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List Description of ADT List © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List Description of ADT List © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List LISTING 12-1 The interface ListInterface © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List LISTING 12-1 The interface ListInterface © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List LISTING 12-1 The interface ListInterface © 2016 Pearson Education, Ltd.  All rights reserved.

Specifications for the ADT List LISTING 12-1 The interface ListInterface © 2016 Pearson Education, Ltd.  All rights reserved.

© 2016 Pearson Education, Ltd. All rights reserved. Using the ADT List FIGURE 12-3 A list of numbers that identify runners in the order in which they finished a race © 2016 Pearson Education, Ltd.  All rights reserved.

Using the ADT List LISTING 12-2 A client of a class that implements ListInterface © 2016 Pearson Education, Ltd.  All rights reserved.

Using the ADT List LISTING 12-2 A client of a class that implements ListInterface © 2016 Pearson Education, Ltd.  All rights reserved.

© 2016 Pearson Education, Ltd. All rights reserved. Using the ADT List Example © 2016 Pearson Education, Ltd.  All rights reserved.

Using the ADT List A list of Name objects, rather than String © 2016 Pearson Education, Ltd.  All rights reserved.

Java Class Library: The Interface List Method headers from the interface List © 2016 Pearson Education, Ltd.  All rights reserved.

Java Class Library: The Class ArrayList Available constructors public ArrayList() public ArrayList(int initialCapacity) Similar to java.util.vector Can use either ArrayList or Vector as an implementation of the interface List. © 2016 Pearson Education, Ltd.  All rights reserved.

© 2016 Pearson Education, Ltd. All rights reserved. End Chapter 12 © 2016 Pearson Education, Ltd.  All rights reserved.