JPACT : JAVA Coding Challenges

10 minutes : Pick 1 - 2 from below. Write, Test Code. Raise hand, will make u presenter.

 Get word count

 Leap year

 Sort an array

 Remove duplicates 

 Bubble sort

 Reverse a string

 Palindrome

Find a number in an array

 TIME : 10 minutes. 820a PT. 

FAQ’s : Just assume basic, to come up with logic.

Theory Questions

Difference between array and linked list data structure?

What is Final? Enum?

Explain poly?

What are constructors?

What is a wrapper class?

Abstract?

How is an Abstract class different from an Interface?

What is multiple inheritance? Does Java support multiple inheritance? If not, how can it be achieved?

Please explain Map and their types in Java.

How will you differentiate HashMap from HashTable?

Please explain the various types of garbage collectors in Java?

INSTRUCTIONS : Prepare for tomorrow, We will finish Java in 2-3 sessions, We will move to Automation Frameworks and CI/CD.