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BSTcreatinsetravjava.java
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72 lines (64 loc) · 1.1 KB
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class BST
{
class Node
{
int key;
Node left,right;
public Node(int item)
{
key = item;
left = right = null;
}
}
Node root;
public BST()
{
root = null;
}
public void doInsertion(int key)
{
root = insert(root,key);
}
public Node insert(Node root,int key)
{
if(root == null)
{
root = new Node(key);
return root;
}
if(key < root.key)
{
root.left = insert(root.left,key);
}
if(key > root.key)
{
root.right = insert(root.right,key);
}
return root;
}
public void doInorder()
{
inorder(root);
}
public void inorder(Node root)
{
if(root != null)
{
inorder(root.left);
System.out.println(root.key);
inorder(root.right);
}
}
public static void main(String[] args)
{
BST tree = new BST();
tree.doInsertion(50);
tree.doInsertion(60);
tree.doInsertion(30);
tree.doInsertion(70);
tree.doInsertion(40);
tree.doInsertion(90);
tree.doInsertion(10);
tree.doInorder();
}
}