Use Java please. Thank you!

Write an application that accepts a year and displays a 12-month planning calendar. Each month should be printed separately, one below the next. For example, the following picture shows the January and February of 2007. Note that using existing Java Calendar class is prohibited January 2007 Sun Mon Tues Wed Thurs Fri Sat 4 13 20 21 22 23 24 25 26 27 10 16 17 15 19 February 2007 Sun Mon Tues Wed Thurs Fri Sat 10 16 17 22 23 24 4 12 13 19 20 27 15 18 25 26 21 28 etc