Pregunta de entrevista de Applicate

Q1.implement a Linkedlist based on some modifications. Q2. Implement a Linkedlist which take input in spiral form and override the toString() as well. Q3. Sum of an array using recursion. You can not take a global variable to keep index or function will take only single argument that is array only. Q4. Print all the values of a HashMap without using keys. Q5. Serializable. Q6. What is JSON Q7. Project discussion Q8. SpringBoot