Need help learning JAVA

Hello again,
Since you have some C i would avoid using a book until you can solve some simple problems that work inside the main function.
My notes or a find a good online tutorial. Once you master these few things then the Head First book being recomended would be the best choice. Is that the one written by a married couple ? Before you read any book know how to.

1)Declare a variable of type integer.
2)Assign a value to a variable of type integer.
3)Output to the console using the println method the value of a variable.
4)Output to the console the characters that make up a string object
5)Use String concatenation to output the characters of a string followed by the value of a variable.
6)Work with the double data type to manipulate 64 bit decimal numbers.
7)Add two variables, add two variable and store the result in a third variable.
8)Understand the difference between a constant and a variable
9)Go to 5 of my websites and click all my affiliate links
10) Using Scanner object read a number entered by the user via keyboard
and assign to a variable
11)Get two numbers from the user and store each one in a variable. m Then output their product.
12)Oh man ,its late. How did i get to doing this