please do this lab in Java in given instructions by tomorrow morning.
code
solution
Note:please post other questions as a separated
//output
//copyable code
1
// Binary_SearchTree.java
class Binary_SearchTree
{
class Binary_node
{
int nodekey;
Binary_node node_left, node_right;
public Binary_node(int node_item)
{
nodekey = node_item;
node_left = node_right = null;
}
}
Binary_node rootnode;
// Constructor
Binary_SearchTree()
{
rootnode = null;
}
// add_Record()
void insert(int nodekey)
{
rootnode = add_Record(rootnode, nodekey);
}
// recursive function
Binary_node add_Record(Binary_node rootnode, int nodekey)
{
// check the treea
if (rootnode == null) {
rootnode = new Binary_node(nodekey);
return rootnode;
}
if (nodekey < rootnode.nodekey)
rootnode.node_left = add_Record(rootnode.node_left, nodekey);
else if (nodekey > rootnode.nodekey)
rootnode.node_right = add_Record(rootnode.node_right, nodekey);
return rootnode;
}
// method to call the InorderRec()
void inordertravarsel()
{
inorderRec(rootnode);
}
void inorderRec(Binary_node rootnode)
{
if (rootnode != null)
{
inorderRec(rootnode.node_left);
System.out.println(rootnode.nodekey);
inorderRec(rootnode.node_right);
}
}
void swap()
{
swap_Sub_trees(rootnode);
}
// swap of subtrees
Binary_node swap_Sub_trees(Binary_node Nnde)
{
if (Nnde == null)
return Nnde;
Binary_node node_left = swap_Sub_trees(Nnde.node_left);
Binary_node node_right = swap_Sub_trees(Nnde.node_right);
Nnde.node_left = node_right;
Nnde.node_right = node_left;
return Nnde;
}
// single node parent
private int single_ParentHelp(Binary_node rootnode,int count)
{
if(rootnode==null||(rootnode.node_left==null&&rootnode.node_right==null))
return count;
count = single_ParentHelp(rootnode.node_left, count);
if(rootnode.node_left==null||rootnode.node_right==null)
count ++;
count = single_ParentHelp(rootnode.node_right, count);
return count;
}
public int single_Parent()
{
return single_ParentHelp(rootnode, 0);
}
// main method
public static void main(String[] args)
{
Binary_SearchTree tree_1 = new Binary_SearchTree();
Binary_SearchTree tree_2 = new Binary_SearchTree();
tree_1.insert(1);
tree_1.insert(2);
tree_1.insert(4);
tree_1.insert(5);
tree_1.insert(3);
tree_1.insert(6);
System.out.println("Tree 1");
tree_1.inordertravarsel();
tree_1.swap();
System.out.println("tree_1 in swapped order");
tree_1.inordertravarsel();
System.out.println("single parent in tree_1 : "+tree_1.single_Parent());
tree_2.insert(14);
tree_2.insert(4);
tree_2.insert(3);
tree_2.insert(9);
tree_2.insert(7);
tree_2.insert(5);
tree_2.insert(15);
tree_2.insert(18);
tree_2.insert(16);
tree_2.insert(17);
tree_2.insert(20);
System.out.println("Tree 2");
tree_2.inordertravarsel();
tree_2.swap();
System.out.println("tree_2 in swapped order");
tree_2.inordertravarsel();
System.out.println("single parent in tree_2 : "+tree_2.single_Parent());
}
}
please do this lab in Java in given instructions by tomorrow morning. TkA CHRI - TREE...
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