I have some computer science questions that i need help with!!
Which of the following are valid variable names? If they are not valid names, briefly explain why.
4
4a
a4
did do
do
dodo
DESIRE2LEARN
one-Hundred
Create a program that: displays the minimum value that can be assigned to each integer data type. You should be able to guess the names of these variable; to modify the program so that aBoolean primitive data type has a different value;
to modify the program so that the char primitive data type outputs a lowercase letter and the statement reflects this.
jus shw me the code)

Question

I have some computer science questions that i need help with!!
Which of the following are valid variable names? If they are not valid names, briefly explain why.
4
4a
a4
did do
do
dodo
DESIRE2LEARN
one-Hundred
Create a program that:  displays the minimum value that can be assigned to each integer data type. You should be able to guess the names of these variable; to modify the program so that aBoolean primitive data type has a different value;
to modify the program so that the char primitive data type outputs a lowercase letter and the statement reflects this. 
jus shw me the code)