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#42 This keyword in Java

Check out our courses: Enterprise Java Spring Microservices: https://go.telusko.com/enterpriseJava Coupon: TELUSKO10 (10% Discount) Master Java Spring Development : https://bit.ly/java-spring-cloud Coupon: TELUSKO20 (20% Discount) Udemy Courses: Java:- https://bit.ly/JavaUdemyTelusko Spring:- https://bit.ly/SpringUdemyTelusko Java For Programmers:- https://bit.ly/javaProgrammers For More Queries WhatsApp or Call on : +919008963671 website : https://courses.telusko.com/ In this lecture we will see: - Instance variable and Local variable - Can we declare two or more variables with the same name? - This keyword and its uses in Java #1 Instance variable:- These variables are declared within a class but outside a method. - These variables are created when we create an object and are destroyed when the object is destroyed. Local variable:- These variables are declared within a method but do not get any default value. - They are created when we enter a method or constructor and get destroyed when the call returns from the method. #2 In Java, it is not allowed to declare two or more variables having the same name inside a scope either in class scope or method scope. - The preference is always given to the local variable. - Creating an object is not a good idea to solve the issue of conflicting names of instance and local variables. - We can differentiate between local and instance variables by passing an object itself. - Instead of writing and passing an object, we can simply use this keyword. #3 This keyword:- This keyword represents the current object. - Current object is an object which is calling the method. - This keyword is used to invoke the current class constructor. - Using the 'this' keyword, we can return the current class instance. - This keyword can be used as an argument in the constructor call. Github repo : https://github.com/navinreddy20/Javac... Java:- https://bit.ly/JavaUdemyTelusko Spring:- https://bit.ly/SpringUdemyTelusko More Learning : Java :- https://bit.ly/3x6rr0N Python :- https://bit.ly/3GRc7JX Django :- https://bit.ly/3MmoJK6 JavaScript :- https://bit.ly/3tiAlHo Node JS :- https://bit.ly/3GT4liq Rest Api :-https://bit.ly/3MjhZwt Servlet :- https://bit.ly/3Q7eA7k Spring Framework :- https://bit.ly/3xi7buh Design Patterns in Java :- https://bit.ly/3MocXiq Docker :- https://bit.ly/3xjWzLA Blockchain Tutorial :- https://bit.ly/3NSbOkc Corda Tutorial:- https://bit.ly/3thbUKa Hyperledger Fabric :- https://bit.ly/38RZCRB NoSQL Tutorial :- https://bit.ly/3aJpRuc Mysql Tutorial :- https://bit.ly/3thpr4L Data Structures using Java :- https://bit.ly/3MuJa7S Git Tutorial :- https://bit.ly/3NXyCPu Donation: PayPal Id : navinreddy20 https://www.telusko.com