i need help for jgrasp to the program. see instructions below. please put comments

Java application that executes the following 5 recursive methods, each of which returns a value (do NOT use System.out.print() inside the method definitions), and prints that value in the main() method, where x is a positive integer on the commandline (1st argument), and s is a String on the commandline (2nd argument).Method 1: Return and print in main() x number of s (ssss...), in other words print the String s, x times. 

Method 2: Return and print in main() the first character in s, x number of times (ssss...), where "s" is the first letter in String "s".

Method 3: Return and print in main() each letter in s two times (s₀s₀s₁s₁s₂s₂s₃s₃...) where s₀ is the first letter, s₁ is the second letter, s₂ is the third letter, etc.

Method 4: Return and print in main() each letter in s three times backwards (s_n-1s_n-1s_n-1s_n-2s_n-2s_n-2s_n-3s_n-3s_n-3s_n-4s_n-4s_n-4...) where s_n-1 is the last letter, s_n-2 is the second to last letter, s_n-3 is the third to last letter, etc. 

Method 5: Return and print in main() a String which counts down by 1 for x, and deletes one letter for each recursion for s, until x becomes 1, or until s has only 1 letter (x s, x-1 s_{1 letter deleted}, x-2 s_{2 letters deleted}, x-3 s_{3 letters deleted}...)

Use the commandline arguments to enter one positive integer (a number) as 1st argument, and a String (a word) as the 2nd argument. see this webpage for instructions on commandline arguments.

You need to convert the 1st commandline argument to an integer:

Integer number = Integer.parseInt(args[0]);

Note that "number" is the same as "x" in the above explanation.

You need to store the 2nd commandline argument in a String variable:

String word = args[1];

Note that "word" is the same as "s" in the above explanation.

You may find it useful to use more than one parameter for some of your methods.

At the beginning of the main method, check to make sure that the user entered the correct input. If exactly one (1) positive integer argument is not entered on the commandline, then display an error message and end the program.

You also need to have a try-catch statement just in case a non-integer is inputted as a commandline argument.

Make sure your code follows the ICs 211 Java Coding standard, in particular the Java documentation (Javadoc) comments that go above each method.

 

Output

1. Example output for commandline arguments 5 natto

nattonattonattonattonatto
nnnnn
nnaattttoo
ooottttttaaannn
5 natto, 4 atto, 3 tto, 2 to, 1 o,
    

1. Example output for commandline argument 10 ten

tentententententententententen
tttttttttt
tteenn
nnneeettt
10 ten, 9 en, 8 n, 
    

1. Example output for commandline argument 10 abracadabra

abracadabraabracadabraabracadabraabracadabraabracadabraabracadabraabracadabraabracadabraabracadabraabracadabra
aaaaaaaaaa
aabbrraaccaaddaabbrraa
aaarrrbbbaaadddaaacccaaarrrbbbaaa
10 abracadabra, 9 bracadabra, 8 racadabra, 7 acadabra, 6 cadabra, 5 adabra, 4 dabra, 3 abra, 2 bra, 1 ra, 

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Status NEW Posted 16 Oct 2017 07:10 AM My Price 10.00

-----------  ----------- H-----------ell-----------o S-----------ir/-----------Mad-----------am ----------- Th-----------ank----------- yo-----------u f-----------or -----------you-----------r i-----------nte-----------res-----------t a-----------nd -----------buy-----------ing----------- my----------- po-----------ste-----------d s-----------olu-----------tio-----------n. -----------Ple-----------ase----------- pi-----------ng -----------me -----------on -----------cha-----------t I----------- am----------- on-----------lin-----------e o-----------r i-----------nbo-----------x m-----------e a----------- me-----------ssa-----------ge -----------I w-----------ill----------- be----------- qu-----------ick-----------ly

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