Please find the answer ### GraphAnalysis Class Explanation#### Task Overview:Create a public class named `GraphAnalysis` that includes a static method `isUndirected`. This method should accept an `UnweightedGraph` from `cs1.graphs` and determine whether the graph is undirected.#### Method Requirements:- **Return Type**: Boolean - `true` if the graph is undirected. - `false` otherwise.- **Exception Handling**: If the graph passed is `null`, an `IllegalArgumentException` should be thrown.#### Graph Characteristics:- Each node in the graph has a set of neighbors.- A graph is undirected if, for every link from node A to node B, there is an equivalent link from node B to node A. - Example: If B is a neighbor of A, A should also be a neighbor of B.#### Method Solution:- Use an iterative approach to solve the problem efficiently. Recursive methods are not required.### Reference Information:#### cs1.graphs.UnweightedGraph Class:```javapublic class UnweightedGraph { public Set getNodes(); // Returns all nodes in the graph}```#### cs1.graphs.GraphNode Class:```javapublic class GraphNode { public Object getValue(); // Returns the value of the node public Set getNeighbors(); // Returns the neighbors of this node}```### Summary:The `GraphAnalysis` class checks the undirected nature of a graph using the provided API methods to access nodes and their neighbors. Ensure proper exception handling when a `null` graph is passed, and leverage an iterative solution for this task.

Create a public class GraphAnalysis that provides a single static method named isUndirected. isUndirected accepts an UnweightedGraph from cs1.graphs and should return true if the graph is undirected and false otherwise. If the passed graph is null, throw an IllegalArgumentException. Each node in the graph has a set of neighbors that you can retrieve representing links from that node to other nodes. If the graph is undirected, if there is a link from A to B ther there is also a link from B to A. So if B is a neighbor of A, then A should also be a neighbor of B. Note that you do not need to solve this problem recursively, since there is a concise iterative solution. For reference, csl.graphs.UnweightedGraph has the following public properties: 1 public class UnweightedGraph { public Set getNodes (); // returns all node in the graph 3 } And csl.graphs.GraphNode has the following public properties: 1 public class GraphNode { public Object getValue(); // returns the value public Set getNeighbors (); // returns the neighbors of this node 2 3

Create a public class GraphAnalysis that provides a single static method named isUndirected. isUndirected accepts an UnweightedGraph from cs1.graphs and should return true if the graph is undirected and false otherwise. If the passed graph is null, throw an IllegalArgumentException. Each node in the graph has a set of neighbors that you can retrieve representing links from that node to other nodes. If the graph is undirected, if there is a link from A to B ther there is also a link from B to A. So if B is a neighbor of A, then A should also be a neighbor of B. Note that you do not need to solve this problem recursively, since there is a concise iterative solution. For reference, csl.graphs.UnweightedGraph has the following public properties: 1 public class UnweightedGraph { public Set getNodes (); // returns all node in the graph 3 } And csl.graphs.GraphNode has the following public properties: 1 public class GraphNode { public Object getValue(); // returns the value public Set getNeighbors (); // returns the neighbors of this node 2 3

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Please find the answer

### GraphAnalysis Class Explanation

#### Task Overview:
Create a public class named `GraphAnalysis` that includes a static method `isUndirected`. This method should accept an `UnweightedGraph<?>` from `cs1.graphs` and determine whether the graph is undirected.

#### Method Requirements:
- **Return Type**: Boolean
- `true` if the graph is undirected.
- `false` otherwise.
- **Exception Handling**: If the graph passed is `null`, an `IllegalArgumentException` should be thrown.

#### Graph Characteristics:
- Each node in the graph has a set of neighbors.
- A graph is undirected if, for every link from node A to node B, there is an equivalent link from node B to node A.
- Example: If B is a neighbor of A, A should also be a neighbor of B.

#### Method Solution:
- Use an iterative approach to solve the problem efficiently. Recursive methods are not required.

### Reference Information:

#### cs1.graphs.UnweightedGraph Class:
```java
public class UnweightedGraph {
public Set<GraphNode> getNodes(); // Returns all nodes in the graph
}
```

#### cs1.graphs.GraphNode Class:
```java
public class GraphNode {
public Object getValue(); // Returns the value of the node
public Set<GraphNode> getNeighbors(); // Returns the neighbors of this node
}
```

### Summary:
The `GraphAnalysis` class checks the undirected nature of a graph using the provided API methods to access nodes and their neighbors. Ensure proper exception handling when a `null` graph is passed, and leverage an iterative solution for this task.

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