(1) WAP to print the following string in the following output:
Enter The word to display the pattern : BLUEJ
B L U
B L U E
B L U E J
(2) Write a program in Java to accept a string and count the number of vowels in the string Sample Input: Alok Kumar Output: The number of vowels = 4
(3) WAP in Java to accept a word in lower case and replace 'e' with '*' present in the word.
Sample Input :percentage