Java Interview Guide : 200+ Interview Questions and Answers - Constructors - this() and super()

The video tutorial covers the concept of constructors in Java, including default and parameterized constructors, naming conventions, and the absence of return types. It explains how constructors are used to create objects and how they can be overridden. The tutorial also discusses calling superclass constructors using 'super' and chaining constructors within the same class using 'this'. Key points include the automatic provision of a default constructor by the compiler and the rules for calling superclass constructors.

Describe the rules regarding the placement of the 'super' call in a constructor.

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What is the significance of the 'this' keyword in constructors?

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What occurs when a constructor is called without explicitly invoking the superclass constructor?

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