1. For each of the following strings, write "yes" or "no" depending on whether the string is a legal names of a Java variable.; if your answer is "no", briefly explain why.
January30
30January
January 30
January_30
January30$
2. Translate the following sequence of Java statements into English; show, step by step, what will happen after each of these statements.
int today;
today = 30;
today = today + 1;
3. What is the result of the following Java operations:
11 / 5
11.0 / 5.0
11 % 5
11.0 % 5.2
-11 % -5