TQC+ JAVA

JPA04.java

import java.util.Scanner;
public class JPA03 {
    static Scanner keyboard = new Scanner(System.in);
    public static void main(String[] args) {
		System.out.print("Input a string: ");
		String str = keyboard.nextLine();
		System.out.print("Input a character: ");
		String chr = keyboard.nextLine();
		System.out.println(strDel(str, chr));

		System.out.print("Input a string: ");
		str = keyboard.nextLine();
		System.out.print("Input a character: ");
		chr = keyboard.nextLine();
		System.out.println(strDel(str, chr));
    }
	public static String strDel(String str, String chr) {
		if(str.equals("")) {
			return "";
		}
		if(str.substring(0, 1).equals(chr)) {
			return "" + strDel(str.substring(1), chr);
		}
		return str.substring(0, 1) + strDel(str.substring(1), chr);
	}
}