Which command automatically returns percent and count columns when executing searches?

Which of the following statements is true?

a. Local variables are automatically initialized. b. Every instance variable has a default initial value—a value provided by Java when you do not specify the instance variable’s initial value. c. The default value for an instance variable of type String is void. d. The argument types in the method call must be identical to the types of the corresponding parameters in the method’s declaration.

Deleting a node from a binary search tree node

A) is easiest when the node is the root. B) is hardest when the node is a leaf. C) is hardest when the node has one child. D) is hardest when the node has two children. E) None of the above