Null pointer exception in java code removed #65
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The issue arises because some nodes in the graph might not have any neighboring nodes, which means they won't be present in the adjacency map. When the code tries to access the adjacency list for such nodes, it results in a NullPointerException.
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The issue arises because some nodes in the graph might not have any neighboring nodes, which means they won't be present in the adjacency map. When the code tries to access the adjacency list for such nodes, it results in a NullPointerException.