Space Invaders

The classic game Space Invaders, without GUI.

SpaceInvaders/src/tp/p2/util/MyStringUtils.java

@@ -0,0 +1,24 @@
+package tp.p2.util;
+
+/**
+ * @author Fernando M<>ndez Torrubiano
+ *
+ */
+
+public class MyStringUtils {
+	public static String repeat(String elmnt, int length) {
+		String result = "";
+		for (int i = 0; i < length; i++) {
+			result += elmnt;
+		}
+	return result;
+	}
+	
+	public static String centre(String text, int len){
+		String out = String.format(" %"+len+"s %s %"+len+"s", "",text,"");
+		float mid = (out.length()/2);
+		float start = mid - (len/2);
+		float end = start + len;
+		return out.substring((int)start, (int)end);
+	}
+}