write a program to print all permutations of a string XYZ using recursion.
input string XYZ
output string : XYZ, XZY, YZX, YXZ, ZXY, ZYX

swap the first and last character of each words in the given string
String STR = java is object oriented language
Output : aavj si tbheco drientedo eanguagl

Question

write a program to print all permutations of a string XYZ using recursion. 
input string XYZ
output string : XYZ, XZY, YZX, YXZ, ZXY, ZYX

swap the first and last character of each words in the given string 
String STR = java is object oriented language
Output : aavj si tbheco drientedo eanguagl

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