Write code in Java: -Must be recursive import java.util.*; import java.lang.*; import java.io.*; //*Analysis goes here* //*Design goes here* class AllPermutation { public static void displayPermutation(String s) { //*Code goes here* } public static void displayPermutation(String s1, String s2) { //*Code goes here* } } //*Driver class should not be changed* class DriverMain { public static void main(String args[]) { Scanner input = new Scanner(System.in); AllPermutation.displayPermutation(input.nextLine()); } }
Write code in Java: -Must be recursive import java.util.*; import java.lang.*; import java.io.*; //*Analysis goes here* //*Design goes here* class AllPermutation { public static void displayPermutation(String s) { //*Code goes here* } public static void displayPermutation(String s1, String s2) { //*Code goes here* } } //*Driver class should not be changed* class DriverMain { public static void main(String args[]) { Scanner input = new Scanner(System.in); AllPermutation.displayPermutation(input.nextLine()); } }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Write code in Java:
-Must be recursive
import java.util.*;
import java.lang.*;
import java.io.*;
//*Analysis goes here*
//*Design goes here*
class AllPermutation {
public static void displayPermutation(String s) {
//*Code goes here*
}
public static void displayPermutation(String s1, String s2) {
//*Code goes here*
}
}
//*Driver class should not be changed*
class DriverMain {
public static void main(String args[]) {
Scanner input = new Scanner(System.in);
AllPermutation.displayPermutation(input.nextLine());
}
}
Transcribed Image Text:Write a recursive method to print all the permutations of any string. For example, for the string abc:
abc
acb
bac
bca
cab
cba
using two given methods:
void displayPermutations(str)
void displayPermutations (str1, str2) //helper
Note: Helper method, uses a loop to move a character from str2 to stri and recursively invokes it with a new stri and str2. The base case is that str2 is empty and
print stri to the console.
//Assume no duplicate characters or space in the input string
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