The this keyword in Java is a reference to the current object. It is used within an instance method or a constructor to refer to the object whose method or constructor is being called. Primary uses of the this keyword: Distinguishing instance variables from local variables/parameters: When a method or constructor parameter has the same name as an instance variable, this is used to explicitly refer to the instance variable. Without this , the local variable or parameter would take precedence. Invoking a constructor from another constructor within the same class: This is known as explicit constructor invocation. It allows a constructor to reuse the initialization logic of another constructor in the same class. Referring to the current object in general: While less common in simple scenarios, this can be used to pass the current object as an argument to a method, or to return the curren...