Troubleshooting
No-Argument Constructor Not Found in Superclass
You get a compiler error stating that the superclass for a class you are compiling does not have a no-argument constructor.
Every class constructor (other than the constructor for java.lang.Object ) calls one of the constructors for its immediate superclass. This call is an implicit call to the no-argument constructor for the superclass unless you explicitly call another constructor using the super keyword with the required parameter list. If the no-argument superclass constructor is being called, the compiler reports an error if this constructor does not exist or is declared private.
Every class has a no-argument constructor by default unless it declares one or more constructors ...
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