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<h2 title="Interface DirectedGraph" class="title">Interface DirectedGraph&lt;V,E&gt;</h2>
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<dt>All Superinterfaces:</dt>
<dd><a href="../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;V,E&gt;</dd>
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<dl>
<dt>All Known Implementing Classes:</dt>
<dd><a href="../../org/jgrapht/graph/AsUnweightedDirectedGraph.html" title="class in org.jgrapht.graph">AsUnweightedDirectedGraph</a>, <a href="../../org/jgrapht/graph/AsWeightedDirectedGraph.html" title="class in org.jgrapht.graph">AsWeightedDirectedGraph</a>, <a href="../../org/jgrapht/graph/DefaultDirectedGraph.html" title="class in org.jgrapht.graph">DefaultDirectedGraph</a>, <a href="../../org/jgrapht/graph/DefaultDirectedWeightedGraph.html" title="class in org.jgrapht.graph">DefaultDirectedWeightedGraph</a>, <a href="../../org/jgrapht/experimental/dag/DirectedAcyclicGraph.html" title="class in org.jgrapht.experimental.dag">DirectedAcyclicGraph</a>, <a href="../../org/jgrapht/graph/DirectedGraphUnion.html" title="class in org.jgrapht.graph">DirectedGraphUnion</a>, <a href="../../org/jgrapht/graph/DirectedMaskSubgraph.html" title="class in org.jgrapht.graph">DirectedMaskSubgraph</a>, <a href="../../org/jgrapht/graph/DirectedMultigraph.html" title="class in org.jgrapht.graph">DirectedMultigraph</a>, <a href="../../org/jgrapht/graph/DirectedPseudograph.html" title="class in org.jgrapht.graph">DirectedPseudograph</a>, <a href="../../org/jgrapht/graph/DirectedSubgraph.html" title="class in org.jgrapht.graph">DirectedSubgraph</a>, <a href="../../org/jgrapht/graph/DirectedWeightedMultigraph.html" title="class in org.jgrapht.graph">DirectedWeightedMultigraph</a>, <a href="../../org/jgrapht/graph/DirectedWeightedPseudograph.html" title="class in org.jgrapht.graph">DirectedWeightedPseudograph</a>, <a href="../../org/jgrapht/graph/DirectedWeightedSubgraph.html" title="class in org.jgrapht.graph">DirectedWeightedSubgraph</a>, <a href="../../org/jgrapht/graph/EdgeReversedGraph.html" title="class in org.jgrapht.graph">EdgeReversedGraph</a>, <a href="../../org/jgrapht/graph/ListenableDirectedGraph.html" title="class in org.jgrapht.graph">ListenableDirectedGraph</a>, <a href="../../org/jgrapht/graph/ListenableDirectedWeightedGraph.html" title="class in org.jgrapht.graph">ListenableDirectedWeightedGraph</a>, <a href="../../org/jgrapht/graph/MixedGraphUnion.html" title="class in org.jgrapht.graph">MixedGraphUnion</a>, <a href="../../org/jgrapht/graph/SimpleDirectedGraph.html" title="class in org.jgrapht.graph">SimpleDirectedGraph</a>, <a href="../../org/jgrapht/graph/SimpleDirectedWeightedGraph.html" title="class in org.jgrapht.graph">SimpleDirectedWeightedGraph</a>, <a href="../../org/jgrapht/graph/UnmodifiableDirectedGraph.html" title="class in org.jgrapht.graph">UnmodifiableDirectedGraph</a></dd>
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<pre>public interface <span class="strong">DirectedGraph&lt;V,E&gt;</span>
extends <a href="../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a>&lt;V,E&gt;</pre>
<div class="block">A graph whose all edges are directed. This is the root interface of all
directed graphs.
<p>See <a href="http://mathworld.wolfram.com/DirectedGraph.html">
http://mathworld.wolfram.com/DirectedGraph.html</a> for more on directed
graphs.</p></div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>Jul 14, 2003</dd>
<dt><span class="strong">Author:</span></dt>
<dd>Barak Naveh</dd></dl>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">E</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../org/jgrapht/DirectedGraph.html#incomingEdgesOf(V)">incomingEdgesOf</a></strong>(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</code>
<div class="block">Returns a set of all edges incoming into the specified vertex.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../org/jgrapht/DirectedGraph.html#inDegreeOf(V)">inDegreeOf</a></strong>(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</code>
<div class="block">Returns the "in degree" of the specified vertex.</div>
</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../org/jgrapht/DirectedGraph.html#outDegreeOf(V)">outDegreeOf</a></strong>(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</code>
<div class="block">Returns the "out degree" of the specified vertex.</div>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">E</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../org/jgrapht/DirectedGraph.html#outgoingEdgesOf(V)">outgoingEdgesOf</a></strong>(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</code>
<div class="block">Returns a set of all edges outgoing from the specified vertex.</div>
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<h3>Methods inherited from interface&nbsp;org.jgrapht.<a href="../../org/jgrapht/Graph.html" title="interface in org.jgrapht">Graph</a></h3>
<code><a href="../../org/jgrapht/Graph.html#addEdge(V,%20V)">addEdge</a>, <a href="../../org/jgrapht/Graph.html#addEdge(V,%20V,%20E)">addEdge</a>, <a href="../../org/jgrapht/Graph.html#addVertex(V)">addVertex</a>, <a href="../../org/jgrapht/Graph.html#containsEdge(E)">containsEdge</a>, <a href="../../org/jgrapht/Graph.html#containsEdge(V,%20V)">containsEdge</a>, <a href="../../org/jgrapht/Graph.html#containsVertex(V)">containsVertex</a>, <a href="../../org/jgrapht/Graph.html#edgeSet()">edgeSet</a>, <a href="../../org/jgrapht/Graph.html#edgesOf(V)">edgesOf</a>, <a href="../../org/jgrapht/Graph.html#getAllEdges(V,%20V)">getAllEdges</a>, <a href="../../org/jgrapht/Graph.html#getEdge(V,%20V)">getEdge</a>, <a href="../../org/jgrapht/Graph.html#getEdgeFactory()">getEdgeFactory</a>, <a href="../../org/jgrapht/Graph.html#getEdgeSource(E)">getEdgeSource</a>, <a href="../../org/jgrapht/Graph.html#getEdgeTarget(E)">getEdgeTarget</a>, <a href="../../org/jgrapht/Graph.html#getEdgeWeight(E)">getEdgeWeight</a>, <a href="../../org/jgrapht/Graph.html#removeAllEdges(java.util.Collection)">removeAllEdges</a>, <a href="../../org/jgrapht/Graph.html#removeAllEdges(V,%20V)">removeAllEdges</a>, <a href="../../org/jgrapht/Graph.html#removeAllVertices(java.util.Collection)">removeAllVertices</a>, <a href="../../org/jgrapht/Graph.html#removeEdge(E)">removeEdge</a>, <a href="../../org/jgrapht/Graph.html#removeEdge(V,%20V)">removeEdge</a>, <a href="../../org/jgrapht/Graph.html#removeVertex(V)">removeVertex</a>, <a href="../../org/jgrapht/Graph.html#vertexSet()">vertexSet</a></code></li>
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<h3>Method Detail</h3>
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<h4>inDegreeOf</h4>
<pre>int&nbsp;inDegreeOf(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</pre>
<div class="block">Returns the "in degree" of the specified vertex. An in degree of a vertex
in a directed graph is the number of inward directed edges from that
vertex. See <a href="http://mathworld.wolfram.com/Indegree.html">
http://mathworld.wolfram.com/Indegree.html</a>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vertex</code> - vertex whose degree is to be calculated.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the degree of the specified vertex.</dd></dl>
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<h4>incomingEdgesOf</h4>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">E</a>&gt;&nbsp;incomingEdgesOf(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</pre>
<div class="block">Returns a set of all edges incoming into the specified vertex.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vertex</code> - the vertex for which the list of incoming edges to be
returned.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a set of all edges incoming into the specified vertex.</dd></dl>
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<h4>outDegreeOf</h4>
<pre>int&nbsp;outDegreeOf(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</pre>
<div class="block">Returns the "out degree" of the specified vertex. An out degree of a
vertex in a directed graph is the number of outward directed edges from
that vertex. See <a href="http://mathworld.wolfram.com/Outdegree.html">
http://mathworld.wolfram.com/Outdegree.html</a>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vertex</code> - vertex whose degree is to be calculated.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the degree of the specified vertex.</dd></dl>
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<h4>outgoingEdgesOf</h4>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">E</a>&gt;&nbsp;outgoingEdgesOf(<a href="../../org/jgrapht/DirectedGraph.html" title="type parameter in DirectedGraph">V</a>&nbsp;vertex)</pre>
<div class="block">Returns a set of all edges outgoing from the specified vertex.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vertex</code> - the vertex for which the list of outgoing edges to be
returned.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a set of all edges outgoing from the specified vertex.</dd></dl>
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