Just another update

Task/Globally-replace-text-in-several-files/Java/globally-replace-text-in-several-files.java

@@ -1,53 +1,16 @@
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
+import java.io.*;
+import java.nio.file.*;
 
-public class GlobalReplace
-{
-	public static void main(String[] args)
-	{
-		//Enter names of the files here
-		String[] filename={"foobar0.txt","foobar1.txt","foobar2.txt","foobar3.txt","foobar4.txt"};
-		//Enter text to replace here
-		String from="Goodbye London!";
-		//Enter replacing text here
-		String to="Hello New York!";
-		
-		GlobalReplace now=new GlobalReplace();
-		for(int i=0;i<filename.length;i++)
-			now.delete(filename[i],from,to);
-	}
-	void delete(String filename, String from, String to)
-	{
-		try
-		{
-			BufferedReader br=new BufferedReader(new FileReader(filename));
-			
-			//String buffer to store contents of the file
-			StringBuffer sb=new StringBuffer("");
-			
-			String line;
-			
-			while((line=br.readLine())!=null)
-			{
-				//If from appears, replace it
-				if(line.contains(from))
-					sb.append(line.replace(from, to)+"\n");
-				else
-					sb.append(line+"\n");
-				
-			}
-			br.close();
-			
-			FileWriter fw=new FileWriter(new File(filename));
-			//Write entire string buffer into the file
-			fw.write(sb.toString());
-			fw.close();
-		}
-		catch (Exception e)
-		{
-			System.out.println("Something went horribly wrong: "+e.getMessage());
-		}
-	}
+public class GloballyReplaceText {
+
+    public static void main(String[] args) throws IOException {
+
+        for (String fn : new String[]{"test1.txt", "test2.txt"}) {
+            String s = new String(Files.readAllBytes(Paths.get(fn)));
+            s = s.replace("Goodbye London!", "Hello New York!");
+            try (FileWriter fw = new FileWriter(fn)) {
+                fw.write(s);
+            }
+        }
+    }
 }