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33) The concept of encapsulation helps in writing which type of classes in the Java programming language? Abstract classes Wrapper classes Mutable classes Immutable classesShow Answer Workspace34) Encapsulation is___? technique of combining more than one member functions into a single unit. mechanism...
In OOPs, constructor chaining is a sequence of invoking constructors (of the same class) upon initializing an object. It is used when we want to invoke a number of constructors, one after another by using only an instance. In other words, if a class has more than one constructor (overlo...
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In this example, we use instanceof operator to test whether the object refers to the corresponding class. //Creating a constructor function function Vehicle() { this.vehicleName=vehicleName; throw new Error("You cannot create an instance of Abstract class"); } //Creating...