// purpose: demonstrate string replacement

import java.util.*;

public class Replacement {

    // method main(): program starting point
    public static void main( String[] args ) {

        // get a scanner for input
        Scanner stdin = new Scanner( System.in );

        // get text from user
        System.out.print( "Enter text: " );
        String text = stdin.nextLine();

        // get text to be replaced and its replacements
        System.out.print( "Enter two strings: " );
        String s1 = stdin.next();
        String s2 = stdin.next();

        System.out.print( "Enter two more strings: " );
        String s3 = stdin.next();
        String s4 = stdin.next();

        String revised1 = text.replaceFirst( s1, s2 );
        String revised2 = text.replaceAll( s3, s4 );

        System.out.println( "Original text: \n\t" + text );

        System.out.println( "\nEdited text (in original replace first "
                + s1 + " with " + s2 + "):\n\t" + revised1 );

        System.out.println( "\nEdited text (in original replace all "
                + s3 + "'s with " + s4 + "'s):\n\t" + revised2 );

        System.out.println();

    }
}