Java - 1)Write the code that does the following: creates the file named NumberList.dat (in the same folder as the class you are coding), uses a loop to write the numbers 1 through 100 to the file, and then closes the file.

2)Write code that does the following: opens the NumberList.dat file created, reads all of the numbers from the file and displays them in the console, and then closes the file.

3)Write the code that opens the file named Numberlist.dat for writing, but does not erase the files contents if it already exists.