What is output? public class WordScramble { public static void wordScramble(String rem, St { if (rem.isEmpty)) { System.out.println(scr + rem);

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

option:

 

A:  123

       132

 

B:    123

       132

       213

       231

       312

       321

 

C:    321

       312

       231

       213

       132

       123

 

D:     123

 

What is output?
public class WordScramble {
public static void wordScramble(String rem, String scr)
if (rem.isEmpty()) {
System.out.println(scr + rem);
}
else {
for (int i = 0; i < rem.length(); ++i) {
wordScramble((rem.substring(0, i) + rem.substri
ng(i + 1, rem.length())), (scr + rem. charAt(i)));
}
}
}
public static void main(String args[]) {
wordScramble("123", "");
}
}
Transcribed Image Text:What is output? public class WordScramble { public static void wordScramble(String rem, String scr) if (rem.isEmpty()) { System.out.println(scr + rem); } else { for (int i = 0; i < rem.length(); ++i) { wordScramble((rem.substring(0, i) + rem.substri ng(i + 1, rem.length())), (scr + rem. charAt(i))); } } } public static void main(String args[]) { wordScramble("123", ""); } }
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