Brainfuck Java compiler

BrainfuckCompiler.java

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;

public class BrainfuckCompiler {

    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder();
        sb.append("import java.util.Scanner;\n");
        sb.append("public class BrainfuckProgram {\n");
        sb.append("public static void main(String[] args) {\n");
        sb.append("Scanner sc = new Scanner(System.in);\n");
        sb.append("int[] bytes = new int[30000];\n");
        sb.append("int ptr = 0;\n");

        for (String arg : args) {
            for (char c : arg.toCharArray()) {
                switch (c) {
                    case '+':
                        sb.append("bytes[ptr]++;\n");
                        break;
                    case '-':
                        sb.append("bytes[ptr]--;\n");
                        break;
                    case '>':
                        sb.append("ptr++;\n");
                        break;
                    case '<':
                        sb.append("ptr--;\n");
                        break;
                    case '.':
                        sb.append("System.out.print((char)bytes[ptr]);\n");
                        break;
                    case ',':
                        sb.append("bytes[ptr] = sc.nextByte();\n");
                        break;
                    case '[':
                        sb.append("while (bytes[ptr] != 0){\n");
                        break;
                    case ']':
                        sb.append("}\n");
                        break;
                    default:
                        break;
                }
            }
        }

        sb.append("}\n}");
        createFile(sb.toString());
    }

    private static void createFile(String content) {
        try {
            BufferedWriter bf = new BufferedWriter(new FileWriter("BrainfuckProgram.java"));
            bf.write(content);
            bf.close();
        } catch (IOException ignored) {}
    }
}