Java Programming for Complete Beginners - Java 16 - Step 12 - Executor Service - Waiting for Completion of Multiple Task

This video tutorial explains how to execute multiple callable tasks using the executor service in Java. It covers creating callable tasks, using the future object to handle results, and managing multiple tasks with the invokeAll method. The tutorial also discusses handling exceptions and optimizing task execution with thread pools. By the end, viewers will understand how to efficiently manage concurrent tasks in Java.

How does the invokeAll method work in the executor service, and what does it return?

Discuss the output of the program when multiple callable tasks are executed.

What are the advantages of using multiple threads in the executor service?