Importance of This Keyword

The video tutorial explains the 'this' keyword in Java, comparing it to the 'super' keyword. It demonstrates how 'this' is used to refer to the current object, particularly in distinguishing between local and global variables within a class. Through examples, the tutorial shows how to access global variables using 'this' and provides a practical scenario where this knowledge is applied in an interview setting.

What is the output when you print 'this.a' if 'a' is a global variable with a value of 2?

How can you sum a local variable and a global variable in Java?

Describe a scenario where using 'this' keyword is necessary.