About Java there are no errors or outputs.why?

Question

https://code.sololearn.com/cC0R2gvCcerC/?ref=app

Answer 1

Additionally: The swim() and play() methods shouldn't have any parameters or return values. The implementation of the methods should just print the line to the console.

Answer 2

https://www.sololearn.com/Discuss/3207862/?ref=app

Don't repeat the related same question and please learn Java carefully from sololearn otherwise you wastage of your time.

Answer 3

You have an extra close brace } after last 2 classes.. .

Is these your own implementations?
You are not using Child class methods. Calling only Parent class play(), swim() methods.

Then there, play(String a), swim( String b) methods are no use..!

Answer 4

Tapabrata Banerjee please don't provide readymade program because he will not learn from mistakes you can give the hint like Lisa mam and Jayakrishna sir said that.

Answer 5

well, l just copied the problem from the Java practice, not the solution. and the return name is a non-reference variable that is not initialized. from the contents of the code, there is no relation with the name. Suddenly return name. the compiler will think what is the name