Hi friend,

import java.io.*;

public class ReplaceChar {
public void replaceCharacters() {
System.out.println("Welcome to roseindia");
}

public static void main(String[] args) throws IOException {
System.out.println("Please enter String char!");
BufferedReader buff = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Please enter b char!");
String str = buff.readLine();
str = str.replace('b', 'd');
System.out.println("Replace b character fram d: " + str);
System.out.println("Please enter c char!");
String sg = buff.readLine();
sg = sg.replace('c','e');
System.out.println("Replace c character from e: " + sg);
new ReplaceChar().replaceCharacters();
}
}

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Read for more information.

http://www.roseindia.net/java/

Thnaks.