generating lottery numbers using 2-dimensional array

[Java]

Hi everyone, My goal is to generate lottery numbers that have 6 unique numbers in the range of 1-49 ex. if the user inputs 2 as the number of tickets they want, the program should print out 1 2 3 4 5 6 10 9 8 7 12 11 ---2 rows and 6 colums so far this is my code. I am very new at java, i...