write a java code to Generate Multiplication Table (from 1 to 5) using for loop

Write a nested loop to extract each digit of n in reverse order and print digit X's per line. Example Output (if n==3452):XXXXXXXXXXXXXX

Write t11 for the sequence 6,10,14,18,...

Write a regular expression for each of the following sets of binary strings. Use only the basic operations. contains the substring 110 doesn't contain the substring 110 whose tenth symbol from the right is 1 not containing 101 as a substring