DBS Bank Associate Vice President Interview Questions and Answers

HashMap is not thread-safe, ConcurrentHashMap allows concurrent access, synchronized HashMap uses explicit synchronization.

• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• Synchronized HashMap uses explicit synchronization to make it thread...read more

A lambda expression is a concise way to represent an anonymous function, often used with functional interfaces in Java.

• Lambda expressions provide a way to pass functionality as an argument to a method.

• Functional interfaces are interfaces with a single abstract method, which can be implemented using lambda expressions.

• Example: (x, y) -> x + y is a lambda expression that takes two parameters and returns their sum.

PIP stands for Performance Improvement Plan, a tool used by employers to help employees improve their performance.

• PIP is a formal process that outlines specific goals and expectations for an employee to meet within a certain timeframe.

• It is often used as a last resort before termination and can be initiated by either the employer or the employee.

• The plan typically includes regular check-ins and progress updates to ensu...read more