match the data type to their correct explanations.

1. boolean
2. null
3. memo
4. autonumber

1. serves as a counter in your database
2. allows optional values
3. allows inserting a large amount of text including numbers
4. stores one of two given values

Retype the statements, correcting the syntax errors. system. out. println("num: " + songnum); system. out. println(int songnum); system. out. println(songnum " songs"); note: these activities may test code with different test values. this activity will perform two tests: the first with songnum = 5, the second with songnum = 9. see how to use zybooks.