Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Chapter 28.4, Problem 28.4.4CP

Explanation of Solution

Return statement for “getIndex(v)” method if “v” is not in the graph:

The method returns the value “-1” because, the value of “v” is not in the graph.

Explanation:

The method “getIndex()” is to return the index for specified vertex. If the appropriate vertex not in graph then it returns “-1”.

Outcome of “getVertex(index)” method if “index” is not in the graph:

The method returns run time error “IndexOutBoundsException” because the appropriate index value is not available in the graph.

Explanation:

The method “getVertex()” is to return the vertex object for the specified vertex index. If the index not in the graph it throws run time error.

Outcome of “addVertex(v)” method if “v” is already in the graph:

The method returns the Boolean value “false” because the vertex is already added into the graph...

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Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)

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