tree data structure in java

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showing results for - "tree data structure in java"
Maite
21 Nov 2020
1package MyPackage;
2  
3public class Tree { 
4    static class Node {    
5    int value; 
6        Node left, right; 
7          
8        Node(int value){ 
9            this.value = value; 
10            left = null; 
11            right = null; 
12        } 
13    } 
14       
15    public void insert(Node node, int value) {
16        if (value < node.value) { 
17          	if (node.left != null) { 
18              	insert(node.left, value); 
19            } else { 
20              System.out.println(" Inserted " + value + " to left of " + node.value); 
21              node.left = new Node(value); 
22            } 
23        } else if (value > node.value) {
24          if (node.right != null) {
25            insert(node.right, value);
26          } else {
27            System.out.println("  Inserted " + value + " to right of "
28                + node.value);
29            node.right = new Node(value);
30          }
31        }
32      }
33     public void traverseInOrder(Node node) {
34        if (node != null) {
35            traverseInOrder(node.left);
36            System.out.print(" " + node.value);
37            traverseInOrder(node.right);
38        }
39     }
40     
41     public static void main(String args[]) 
42    { 
43    Tree tree = new Tree();
44                Node root = new Node(5);
45                System.out.println("Binary Tree Example");
46                System.out.println("Building tree with root value " + root.value);
47                tree.insert(root, 2);
48                tree.insert(root, 4);
49                tree.insert(root, 8);
50                tree.insert(root, 6);
51                tree.insert(root, 7);
52                tree.insert(root, 3);
53                tree.insert(root, 9);
54                System.out.println("Traversing tree in order");
55                tree.traverseLevelOrder();
56                
57              }
58}
59  
60
Vanessa
27 Jun 2017
1package MyPackage;
2  
3public class Tree { 
4    static class Node {    
5    int value; 
6        Node left, right; 
7          
8        Node(int value){ 
9            this.value = value; 
10            left = null; 
11            right = null; 
12        } 
13    } 
14       
15    public void insert(Node node, int value) {
16        if (value < node.value) { if (node.left != null) { insert(node.left, value); } else { System.out.println(" Inserted " + value + " to left of " + node.value); node.left = new Node(value); } } else if (value > node.value) {
17          if (node.right != null) {
18            insert(node.right, value);
19          } else {
20            System.out.println("  Inserted " + value + " to right of "
21                + node.value);
22            node.right = new Node(value);
23          }
24        }
25      }
26     public void traverseInOrder(Node node) {
27        if (node != null) {
28            traverseInOrder(node.left);
29            System.out.print(" " + node.value);
30            traverseInOrder(node.right);
31        }
32     }
33     
34     public static void main(String args[]) 
35    { 
36    Tree tree = new Tree();
37                Node root = new Node(5);
38                System.out.println("Binary Tree Example");
39                System.out.println("Building tree with root value " + root.value);
40                tree.insert(root, 2);
41                tree.insert(root, 4);
42                tree.insert(root, 8);
43                tree.insert(root, 6);
44                tree.insert(root, 7);
45                tree.insert(root, 3);
46                tree.insert(root, 9);
47                System.out.println("Traversing tree in order");
48                tree.traverseLevelOrder();
49                
50              }
51}
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