Diagonal.java

import java.io.*;
import java.util.*;

public class Diagonal {
    public String diag(int n){
	String asterisk = new String();
	for (int i = 0; i < n; i = i + 1){
	    for (int um = i; um >= 0; um = um - 1){
		asterisk += " ";
	    }
	    asterisk += "*";
	    asterisk += "\n";
	}
	return asterisk;
    }

    public String diagWord(String word){
	String diagonal = new String();
	for (int i = 0; i < word.length(); i++){
	    for (int um = i; um >= 0; um = um - 1){
		diagonal += " ";
	    }
	    diagonal += word.substring(i, i+1);
	    diagonal += "\n";
	}
	return diagonal;
    }

    public String fence(int h, int w){
	String f = new String();
	if (h == 1 && w == 1)
	    f = "Error. Put integers greater than one for parameters.";
	else {
	    String firstrow = "+";
	    for (int i = w - 2; i > 0; i --){
			firstrow += "-";
	    }
	    firstrow += "+";
	    f = firstrow + "\n";
		

	    for (int i = h - 2; i > 0; i--){
			String eachrow = "|";
			for (int a=w-2; a>0; a--){
				eachrow += " ";
			}
			eachrow += "|"+"\n";
			f+=eachrow;
		}
		f+=firstrow;
	}
	return f;
    }
}