Characteristics of Java constructor

  • An interface cannot have the constructor.
  • Constructors cannot be private.
  • A constructor cannot be abstract, static, final, native, strictfp, or synchronized
  • A constructor can be overloaded.
  • Constructors cannot return a value.
  • Constructors do not have a return type; not even void.
  • An abstract class can have the constructor.
  • Constructors name must be similar to that of the class name inside which it resides.
  • Constructors are automatically called when an object is created.
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