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What are Getter and setter methods ? Getter method is to retrieve the value of instance variable while a setter method is used to set or update the value of instance variable. It is a good practice to access instance variables through these methods instead of directly accessing because we can place some pre-conditions before … Read more
In Java we have 4 type of variables :- Local Variable Instance Variable Class variable Reference variable Java developers often get confused while using these terms, let us understand the difference between them in detail : Local Variable Local variables are those which are defined inside a block, method or constructor. These variables get destroyed … Read more
Parameterized constructor can be made by the user if they want to assign some value to instance variable at time of creation of object. Parameterized constructors are also a good way to perform some operations that are to be performed at the start such as Database connections, pre-checks on values of instance variables or certain … Read more