Lab3 Solution

public class StringMagic {
    public String removeSpace(String s) {
        int pos_space = s.indexOf(" ");
        return s.substring(0, pos_space) + s.substring(pos_space+1);
    }
    
    public String replaceSpace(String s) {
        return s.replaceAll(" ", "...");
    }
    
    
    public String cipher(String s, int t) {
        int t0 = (int)('a');
        int t1 = (int)s.charAt(0)-t0;
        int t2 = (int)s.charAt(1)-t0;
        int t3 = (int)s.charAt(2)-t0;
        System.out.println(t1);

        
        int g1 = (t1+t)%26;
        int g2 = (t2+t)%26;
        int g3 = (t3+t)%26;

        int c1 = t0+g1;
        int c2 = t0+g2;
        int c3 = t0+g3;
        
        return "" + (char)c1 + (char)c2 + (char)c3;
    }
}