Study tips 1Z0-851

What design flaw is most likely the cause of these new bugs?

Which two, inserted at line 11, will allow the code to compile? (Choose two.)

What is the result?

What is the result?

Cloneable interfaces? (Choose two.)

Which two can be results? (Choose two.)

What is the result?

Which two design concepts most likely explain this situation? (Choose two.)

String first = (elements.length > 0) ? elements[0] : null;

If both classes are in the correct directories for their packages, and the Mammal class correctly defines the findSalmon() method, which change allows this code to compile?