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 primary purpose of the 'this' keyword in Java?

• To refer to the current object instance

• To access the parent class methods

• To create a new class

• To declare a new variable

In the given Java class example, what is the value of the variable 'a' within the method?

• 3

• 2

• 5

• 0

How does the 'this' keyword help in distinguishing between local and global variables?

• By deleting the local variable

• By creating a new variable

• By referring to the global variable

• By changing the variable type

What is the output when you print 'this.a' in the given example?

• 0

• 5

• 2

• 3

In the context of the 'this' keyword, what does the term 'current object' refer to?

• A new class

• The parent class

• The current class instance

• A static method

What is the result of summing the local and global variables using the 'this' keyword?

• 0

• 5

• 3

• 2

What was the confusion faced by the student in the interview scenario?

• Declaring a new class

• Combining local and global variable values

• Printing the local variable

• Understanding the 'super' keyword