Performance pass 5 (String concatenation in loop)

src/main/java/com/volmit/iris/manager/IrisDataManager.java

@@ -99,17 +99,17 @@ public class IrisDataManager
 	{
 		File examples = new File(dataFolder, "example");
 		examples.mkdirs();
-		String biomes = "";
+		StringBuilder biomes = new StringBuilder();
-		String envs = "";
+		StringBuilder envs = new StringBuilder();
 
 		for(Biome i : Biome.values())
 		{
-			biomes += i.name() + "\n";
+			biomes.append(i.name()).append("\n");
 		}
 
 		for(Environment i : Environment.values())
 		{
-			envs += i.name() + "\n";
+			envs.append(i.name()).append("\n");
 		}
 
 		try
@@ -118,8 +118,8 @@ public class IrisDataManager
 			new File(examples, "example-pack/biomes").mkdirs();
 			new File(examples, "example-pack/dimensions").mkdirs();
 			new File(examples, "example-pack/generators").mkdirs();
-			IO.writeAll(new File(examples, "biome-list.txt"), biomes);
+			IO.writeAll(new File(examples, "biome-list.txt"), biomes.toString());
-			IO.writeAll(new File(examples, "environment-list.txt"), envs);
+			IO.writeAll(new File(examples, "environment-list.txt"), envs.toString());
 
 			IrisGenerator gen = new IrisGenerator();
 			IrisNoiseGenerator n = new IrisNoiseGenerator();

src/main/java/com/volmit/iris/util/C.java

@@ -753,7 +753,7 @@ public enum C
 	 */
 	public static String getLastColors(String input)
 	{
-		String result = "";
+		StringBuilder result = new StringBuilder();
 		int length = input.length();
 
 		// Search backwards from the end as it is faster
@@ -767,7 +767,7 @@ public enum C
 
 				if(color != null)
 				{
-					result = color.toString() + result;
+					result.insert(0, color.toString());
 
 					// Once we find a color or reset we can stop searching
 					if(color.isColor() || color.equals(RESET))
@@ -778,7 +778,7 @@ public enum C
 			}
 		}
 
-		return result;
+		return result.toString();
 	}
 
 	static

src/main/java/com/volmit/iris/util/Form.java

@@ -72,24 +72,24 @@ public class Form
 	 */
 	public static String capitalize(String s)
 	{
-		String roll = "";
+		StringBuilder roll = new StringBuilder();
 		boolean f = true;
 
 		for(Character i : s.trim().toCharArray())
 		{
 			if(f)
 			{
-				roll += Character.toUpperCase(i);
+				roll.append(Character.toUpperCase(i));
 				f = false;
 			}
 
 			else
 			{
-				roll += i;
+				roll.append(i);
 			}
 		}
 
-		return roll;
+		return roll.toString();
 	}
 
 	/**
@@ -101,11 +101,11 @@ public class Form
 	 */
 	public static String capitalizeWords(String s)
 	{
-		String rollx = "";
+		StringBuilder rollx = new StringBuilder();
 
 		for(String i : s.trim().split(" "))
 		{
-			rollx += " " + capitalize(i.trim());
+			rollx.append(" ").append(capitalize(i.trim()));
 		}
 
 		return rollx.substring(1);
@@ -1038,27 +1038,27 @@ public class Form
 	 */
 	public static String cname(String clazz)
 	{
-		String codeName = "";
+		StringBuilder codeName = new StringBuilder();
 
 		for(Character i : clazz.toCharArray())
 		{
 			if(Character.isUpperCase(i))
 			{
-				codeName = codeName + "-" + Character.toLowerCase(i);
+				codeName.append("-").append(Character.toLowerCase(i));
 			}
 
 			else
 			{
-				codeName = codeName + i;
+				codeName.append(i);
 			}
 		}
 
-		if(codeName.startsWith("-"))
+		if(codeName.toString().startsWith("-"))
 		{
-			codeName = codeName.substring(1);
+			codeName = new StringBuilder(codeName.substring(1));
 		}
 
-		return codeName;
+		return codeName.toString();
 	}
 
 	/**
@@ -1439,17 +1439,17 @@ public class Form
 		roman_numerals.put("IV", 4);
 		roman_numerals.put("I", 1);
 
-		String res = "";
+		StringBuilder res = new StringBuilder();
 
 		for(Map.Entry<String, Integer> entry : roman_numerals.entrySet())
 		{
 			int matches = num / entry.getValue();
 
-			res += repeat(entry.getKey(), matches);
+			res.append(repeat(entry.getKey(), matches));
 			num = num % entry.getValue();
 		}
 
-		return res;
+		return res.toString();
 	}
 
 	/**

src/main/java/com/volmit/iris/util/IO.java

@@ -407,33 +407,33 @@ public class IO
 	public static String readAll(File f) throws IOException
 	{
 		BufferedReader bu = new BufferedReader(new FileReader(f));
-		String c = "";
+		StringBuilder c = new StringBuilder();
 		String l = "";
 
 		while((l = bu.readLine()) != null)
 		{
-			c += l + "\n";
+			c.append(l).append("\n");
 		}
 
 		bu.close();
 
-		return c;
+		return c.toString();
 	}
 
 	public static String readAll(InputStream in) throws IOException
 	{
 		BufferedReader bu = new BufferedReader(new InputStreamReader(in));
-		String c = "";
+		StringBuilder c = new StringBuilder();
 		String l = "";
 
 		while((l = bu.readLine()) != null)
 		{
-			c += l + "\n";
+			c.append(l).append("\n");
 		}
 
 		bu.close();
 
-		return c;
+		return c.toString();
 	}
 
 	/**

src/main/java/com/volmit/iris/util/Violator.java

@@ -31,28 +31,28 @@ public class Violator
 		{
 			Constructor<?> co = (Constructor<?>) o;
 
-			String mx = "";
+			StringBuilder mx = new StringBuilder();
 
 			for(Class<?> i : co.getParameterTypes())
 			{
-				mx += "," + i.getCanonicalName();
+				mx.append(",").append(i.getCanonicalName());
 			}
 
-			mx = mx.length() >= 1 ? mx.substring(1) : mx;
+			mx = new StringBuilder(mx.length() >= 1 ? mx.substring(1) : mx.toString());
 
 			return id(co.getDeclaringClass(), null) + "(" + mx + ")";
 		}
 
 		if(o instanceof Method)
 		{
-			String mx = "";
+			StringBuilder mx = new StringBuilder();
 
 			for(Class<?> i : ((Method) o).getParameterTypes())
 			{
-				mx += "," + i.getCanonicalName();
+				mx.append(",").append(i.getCanonicalName());
 			}
 
-			mx = mx.length() >= 1 ? mx.substring(1) : mx;
+			mx = new StringBuilder(mx.length() >= 1 ? mx.substring(1) : mx.toString());
 
 			return id(((Method) o).getDeclaringClass(), null) + "." + ((Method) o).getName() + "(" + mx + ")";
 		}
@@ -83,14 +83,14 @@ public class Violator
 
 	public static Constructor<?> getConstructor(Class<?> c, Class<?>... params) throws NoSuchMethodException, SecurityException
 	{
-		String mx = "";
+		StringBuilder mx = new StringBuilder();
 
 		for(Class<?> i : params)
 		{
-			mx += "," + i.getCanonicalName();
+			mx.append(",").append(i.getCanonicalName());
 		}
 
-		mx = mx.length() >= 1 ? mx.substring(1) : mx;
+		mx = new StringBuilder(mx.length() >= 1 ? mx.substring(1) : mx.toString());
 
 		if(!h(id(c, null) + "(" + mx + ")"))
 		{
@@ -159,14 +159,14 @@ public class Violator
 	public static Method getMethod(Class<?> c, String name, Class<?>... pars) throws Throwable
 	{
 		String iv = "";
-		String mx = "";
+		StringBuilder mx = new StringBuilder();
 
 		for(Class<?> i : pars)
 		{
-			mx += "," + i.getCanonicalName();
+			mx.append(",").append(i.getCanonicalName());
 		}
 
-		mx = mx.length() >= 1 ? mx.substring(1) : mx;
+		mx = new StringBuilder(mx.length() >= 1 ? mx.substring(1) : mx.toString());
 		iv = id(c, null) + "." + name + "(" + mx + ")";
 
 		if(!h(iv))
@@ -206,14 +206,14 @@ public class Violator
 	public static Method getDeclaredMethod(Class<?> c, String name, Class<?>... pars) throws Throwable
 	{
 		String iv = "";
-		String mx = "";
+		StringBuilder mx = new StringBuilder();
 
 		for(Class<?> i : pars)
 		{
-			mx += "," + i.getCanonicalName();
+			mx.append(",").append(i.getCanonicalName());
 		}
 
-		mx = mx.length() >= 1 ? mx.substring(1) : mx;
+		mx = new StringBuilder(mx.length() >= 1 ? mx.substring(1) : mx.toString());
 		iv = id(c, null) + "." + name + "(" + mx + ")";
 
 		if(!h(iv))