MoreForLoops.java

public class MoreForLoops {
    public String diag(int n) {
	String diag = "";
	for (int index = 1;index<=n;index++) {
	    for (int space = 1;space<index;space++) {
		diag = diag + " ";
	    }
	    diag = diag + "*" + "\n";
	}
	return diag;
    }

    public String diag(String n) {
	String diag = "";
	for (int index = 1;index<=n.length();index++) {
	    for (int space = 1;space<index;space++) {
		diag = diag + " ";
	    }
	    diag = diag + n.substring(index-1,index) + "\n";
	}
	return diag;
    }	

    public String fence(int h,int l) {
	String fence = "";
	for (int height=0;height<h;height++) {
		for (int length=0;length<l;length++) {
		    //Corners
		    if ((height==h-1 && length==0) || (height==h-1 && length==l-1) || (height==0 && length==l-1) || (height==0 && length==0)) {
			fence = fence + "+";}
		    //Columns
		    else if (length == 0 || length == l-1) {
			fence = fence + "|";}
		    //Rows
		    else if (height==0 || height==h-1) {
                        fence = fence + "-";}
		    //Inside
		    else {
			fence = fence + " ";}
		}
		fence = fence + "\n";
	}
	return fence;
    }		
}