TechShiksha by Badkul Technology

In a binary tree, what is the maximum number of children a node can have?

What's the time complexity of finding a key in a hashmap?

Java's hashCode returns ?

Which Java design pattern is used to ensure that a class has only one instance and provides a global point of access to that instance?

Data Structures play a crucial role in programming. Which data structure would you use to implement a LIFO (Last-In-First-Out) behavior

What is the Java keyword for allocating memory to objects?

Which is the most appropriate data structure for reversing a word?