Java's "____" classes (Character,Integer, Double, and so on) contain methods for safely converting between most of the primitive types.

All of the I/O ports on a desktop computer are located in the rear port bracket

Indicate whether the statement is true or false

A tree T is called a(n) ____ tree of graph G if T is a subgraph of G such that V(T) = V(G); that is, if all vertices of G are in T.

A. weighted B. spanning C. rooted D. directed