4th ques
Error(s), warning(s): 934765357/source.java:38: warning: [rawtypes] found raw type: LinkedList
LinkedList<Integer> a[]=new LinkedList[n];
^
missing type arguments for generic class LinkedList<E>
where E is a type-variable:
E extends Object declared in class LinkedList
934765357/source.java:38: warning: [unchecked] unchecked conversion
LinkedList<Integer> a[]=new LinkedList[n];
^
required: LinkedList<Integer>[]
found: LinkedList[]
2 warnings
1 2 3 0 0 4 6 0 5 0 0 7 0
Vertex 1 is connected to: 3 2
Vertex 2 is connected to: 1
Vertex 3 is connected to: 6 4 1
Vertex 4 is connected to: 5 3
Vertex 5 is connected to: 4
Vertex 6 is connected to: 3
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