1. Is the following code snippet legal makefile code?

Is the following code snippet legal makefile code?

clean:

javac *.java

2. (5 pts.) What is an "object" in object-oriented code?

3. (10 pts.) a) Why is the Therac report of great importance to programmers

(i.e., what is the most important fact demonstrated by the report that

should be

of major importance to the approach that should be taken whenever

software

is developed)? b) If you were part of the support group for the Therac-25

software actions you might have taken might have prevented injuries. What

are two such actions?