Reference:
While: https://www.tutorialspoint.com/java/java_while_loop.htm
Do While: https://www.tutorialspoint.com/java/java_do_while_loop.htm
top of page
bottom of page
Reference:
While: https://www.tutorialspoint.com/java/java_while_loop.htm
Do While: https://www.tutorialspoint.com/java/java_do_while_loop.htm
@danny481 and @ trjoshi3011 answers are correct. Meanwhile refer below resources. It might help.
While loop.
Do-while loop.