ebcdic java program to create "golang-like" byte array for ebcdic conversion

ebcdic.java

import java.nio.charset.Charset;

public class Ebcdic {
  public static void main(String[] args) {
    conversionTable("cp1140");
    conversionTable("cp1047");
  }

  public static void conversionTable(String ebcdic) {
    System.out.println("Conversion table for: " + ebcdic);
    try {
      Charset ebcdic_cp = Charset.forName(ebcdic);
      Charset ascii_cp = Charset.forName("ISO-8859-1");

      System.out.println("ASCII -> EBCDIC");
      for (int i = 0; i <= 255; i++) {
        if (i > 0 && i % 16 == 0) {
          System.out.println(String.format("// 0x%02X..0x%02X", i - 16, i - 1));
        }
        byte[] x = new byte[] {(byte)i};
        byte[] e = new String(x, ascii_cp).getBytes(ebcdic_cp);
        System.out.print(String.format("0x%02X, ", e[0]));
      }
      System.out.println("// 0xF0..0xFF");
      System.out.println();

      System.out.println("EBCDIC -> ASCII");
      for (int i = 0; i <= 255; i++) {
        if (i > 0 && i % 16 == 0) {
          System.out.println(String.format("// 0x%02X..0x%02X", i - 16, i - 1));
        }
        byte[] x = new byte[] {(byte)i};
        byte[] e = new String(x, ebcdic_cp).getBytes(ascii_cp);
        System.out.print(String.format("0x%02X, ", e[0]));
      }
      System.out.println("// 0xF0..0xFF");
      System.out.println();
    } catch (Exception e) {
      System.out.println("conversion failed: " + e.getMessage());
    }
  }
}