We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
如何理解返回值范围
The text was updated successfully, but these errors were encountered:
返回值的协变类型。
class Shape{ } class Circle extends Shape{ } class ShapeBuilder{ Shape GetShape(){ return new Shape(); } } class CircleBuilder extends ShapeBuilder{ @Override Circle GetShape(){ return new Circle(); } }
Sorry, something went wrong.
No branches or pull requests
如何理解返回值范围
The text was updated successfully, but these errors were encountered: