https://docs.oracle.com/javase/8/docs/api/java/lang/package-tree.html Java classes are related in a hierarchical manner defined by inheritance; in fact we sometimes speak of the "Java Inheritance Tree." The hierarchy within the Java.lang package is described here: https://docs.oracle.com/javase/8/docs/api/java/lang/package- tree.html. Answer the following questions about that hierarchy viewed as a tree. a. What is the root? b. What is the height of the tree? C. d. How many leaves are there? Which node has the most children?