Constructors with default values of parameters

2018-06-06 18:04:17

This question already has an answer here:

Does Java support default parameter values? 19 answers

No, Java doesn't support default values for parameters. You can overload constructors instead:

public Shape(int v,int e) {vertices =v; edges = e; }
public Shape() { this(1, 2); }

No it doesn't. Java doesn't support default arguments in any function; constructors included.

What you can do though is define public Shape(int v, int e) and also a default constructor

public Shape()
{
    this(1, 2);
}

Note the special syntax here to delegate the construction to the two-argument constructor.

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