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Browse CoursesTypes of methods: class Methods { public void add()//without returntype/without argument { int a=123; int b=10; System.out.println(“Addition=” +(a+b)); } } class Functiondemo { public static void main(String args[]) { Methods o=new Methods();//classname objectname=new classname(); o.add(); } } import java.util.*; class Methods { public void sub(int x,int y)//without returntype/with /arguments { System.out.println(“Subtraction=” +(x-y)); } […]
Here is a simple and short Java program to find the sum of all nodes in a binary tree using recursion: ✅ Java Code: Sum of All Nodes (Minimal Version) class Node { int data; Node left, right; Node(int data) { this.data = data; } } public class SumOfNodes { int sum(Node node) […]
Java Code: Height of Binary Tree Here’s a simple Java program to find the height of a Binary Tree: ✅ Java Code: Height of Binary Tree // Definition for a binary tree node class Node { int data; Node left, right; public Node(int item) { data = item; left = right = null; […]
Java Code: Count Leaf Nodes (Minimal Version) Here is a short and simple Java code to count the number of leaf nodes in a binary tree using recursion: ✅ Java Code: Count Leaf Nodes (Minimal Version class Node { int data; Node left, right; Node(int data) { this.data = data; } } public […]
Java Code: Find Maximum Element in Binary Tree // Node class definition class Node { int data; Node left, right; public Node(int item) { data = item; left = right = null; } } public class BinaryTreeMax { // Function to find the maximum element in the binary tree int findMax(Node node) […]
This code uses employees to check their salary data. This code is used to compare and find the total salary details.Here’s a simple Java program to find the employees salary data.
Here’s a simple Java program to find the height of a Binary Tree
=== Student Management Menu === 1. Add Student 2. Display All Students 3. Search Student by Roll No 4. Remove Student 5. Exit Enter your choice: 1 Enter Roll No: 101 Enter Name: aaa Student added successfully! === Student Management Menu === 1. Add Student 2. Display All Students 3. Search Student by Roll […]
Traversing in binary tree int countLeafNodes(Node root) { if(root==null) return 0; Stack<Node> stack=new Stack<>(); stack.push(root); int leafcount=0; while(!stack.isEmpty()) { Node current=stack.pop(); if(current.left==null && current.right==null) leafcount++; if(current.right!=null) stack.push(current.right); if(current.left!=null) stack.push(current.right); } return leafcount; }
BFS(Breadth First search) –>also called as level order traversal(where you can visit nodes level by level from top to bottom and left to right) class Node { int key; Node left,right; Node(int item)//item=1 { key=item; left=right=null; } } class Breadth { Node root; public void bfstraversal(Node root) { if(root==null) return; […]
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