Java: The class will contain the following static methods: reverseS – A method that displays a string reversely on the console using the following signature: public static void reverseS(String s) printSub1 – print all substrings of a string (duplicated substrings are allowed, but loops are not allowed). The method signature: public static void printSub1(String s) printSub2 – print all substrings of a string (duplicated substrings are not allowed, but loops are allowed). The method signature: public static void printSub2(String s) Note: All methods should be RECURSIVE. Any predefined classes that are based on Set are not allowed. Allow the user to input the string! In the main method, read a string from the user and output the reversed string and substrings to the screen:
Java:
The class will contain the following static methods:
reverseS – A method that displays a string reversely on the console using the following signature:
public static void reverseS(String s)
printSub1 – print all substrings of a string (duplicated substrings are allowed, but loops are not allowed).
The method signature: public static void printSub1(String s)
printSub2 – print all substrings of a string (duplicated substrings are not allowed, but loops are allowed).
The method signature: public static void printSub2(String s) Note:
All methods should be RECURSIVE.
Any predefined classes that are based on Set are not allowed.
Allow the user to input the string!
In the main method, read a string from the user and output the reversed string and substrings to the screen:
Sample Run：
Please input a string: abcd
The reversed string: dcba
The substrings of the input string: abcd abc ab a b bc b c bcd bc b c cd c d
The substrings of the input string: a ab abc abcd b bc bcd c cd d
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