Give a a syntax diagram for the language "the set of all strings consists of an uppercase letter followed by zero or more additional characters, each of which is either an uppercase letter or one of digits 0 through 9."

Write a method that takes in an array of point2d objects, and then analyzes the dataset to find points that are close together. be sure to review the point2d api. in your method, if the distance between any pair of points is less than 10, display the distance and the (x,y)s of each point. for example, "the distance between (3,5) and (8,9) is 6.40312." the complete api for the point2d adt may be viewed at ~pf/sedgewick-wayne/algs4/documentation/point2d.html (links to an external site.)links to an external site.. try to write your program directly from the api - do not review the adt's source code.

Some peer-to-peer networks have a server and some don't. true false

100 pts. first person gets brainliest