Hi, I'm a beginner to java. I need code of the following problems for my class test.
1. Replace all the letters from the input sentece
Input- This is a cat.
Output- tac a si siht
2. Calculate the sum of the numbers of the input string.
Input- This 523 is 132 good 701
Output- This 10 is 6 good 8
3. Find out the numbers of the vowels from the input sentence and print the special characters
Input- Oh, What a great day.
Can anyone help me solving this questions pls