Insert the letter D into the following red-black tree, and t…

Insert the letter D into the following red-black tree, and then answer the following questions about the trace of that insertion:   a. Which node is the new D initially inserted below? b. What are the first two nodes to be rotated through this trace? c. What are the first three nodes to be recolored through this trace? d. How many red nodes are there in the final tree after all repairs?

Consider running the junit test runner on the following clas…

Consider running the junit test runner on the following class. What output do you expect to see printed to System.out before the test results are displayed by the test runner? public class MyTests { @Test public static void test1() { System.out.print(“A”); } @Test public void test2() { assertTrue(false, “Oops.”); } @Test public void test3() { assertTrue(true, “Hooray!”); System.out.print(“C”); }}

A local git repository contains the following main branch as…

A local git repository contains the following main branch as the only branch. Commit c4 is the latest commit on that main branch. We run the following sequence of commands on this local repository: git checkout maingit branch featuregit checkout featuregit log How many commits will be listed by the final git log command?