CME Group Software Engineer Interview Questions and Answers

ArrayList and LinkedList are both data structures used to store and manipulate collections of objects in Java.

• ArrayList is implemented as a resizable array, while LinkedList is implemented as a doubly linked list.

• ArrayList provides constant time access to elements using their index, while LinkedList provides constant time insertion and deletion of elements.

• Spring Boot annotations include @Controller, @Service, @Reposit...read more

Truncate removes all data from a table while delete removes specific rows.

• Truncate is faster than delete as it doesn't log individual row deletions

• Truncate resets auto-increment values while delete doesn't

• To truncate a table in MySQL, use the TRUNCATE TABLE statement

• Methodology used in my project was Agile

Comparable is an interface used for natural ordering while Comparator is an interface used for custom ordering.

• Comparable is implemented by the class itself while Comparator is implemented by a separate class.

• Comparable compares 'this' object with the specified object while Comparator compares two different objects.

• Example of Comparable: String, Integer, Double. Example of Comparator: Collections.sort(list, new MyCompa