algorithm/Java
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Java.git synced 2025-07-24 21:14:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

Formatted with Google Java Formatter

Browse Source
This commit is contained in:
github-actions
2020-10-24 10:23:28 +00:00
parent a23bac99e8
commit 5d59a2e828
219 changed files with 13758 additions and 14582 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
Others/RemoveDuplicateFromString.java
View File

@ -3,44 +3,39 @@ package Others;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/**
* @author Varun Upadhyay (https://github.com/varunu28)
*/
/** @author Varun Upadhyay (https://github.com/varunu28) */
public class RemoveDuplicateFromString {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String inpStr = br.readLine();
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String inpStr = br.readLine();
System.out.println("Actual string is: " + inpStr);
System.out.println("String after removing duplicates: " + removeDuplicate(inpStr));
System.out.println("Actual string is: " + inpStr);
System.out.println("String after removing duplicates: " + removeDuplicate(inpStr));
br.close();
br.close();
}
/**
* This method produces a string after removing all the duplicate characters from input string and
* returns it Example: Input String - "aabbbccccddddd" Output String - "abcd"
*
* @param s String from which duplicate characters have to be removed
* @return string with only unique characters
*/
public static String removeDuplicate(String s) {
if (s == null || s.isEmpty()) {
return s;
}
/**
* This method produces a string after removing all the duplicate characters from input string and returns it
* Example: Input String - "aabbbccccddddd"
* Output String - "abcd"
*
* @param s String from which duplicate characters have to be removed
* @return string with only unique characters
*/
StringBuilder sb = new StringBuilder();
int n = s.length();
public static String removeDuplicate(String s) {
if (s == null || s.isEmpty()) {
return s;
}
StringBuilder sb = new StringBuilder();
int n = s.length();
for (int i = 0; i < n; i++) {
if (sb.toString().indexOf(s.charAt(i)) == -1) {
sb.append(String.valueOf(s.charAt(i)));
}
}
return sb.toString();
for (int i = 0; i < n; i++) {
if (sb.toString().indexOf(s.charAt(i)) == -1) {
sb.append(String.valueOf(s.charAt(i)));
}
}
return sb.toString();
}
}