Convert base64 string to a byte array

    

public class Main {
  public static void main(String[] argv) throws Exception {

    byte[] buf = new byte[] { 0x12, 0x23 };
    String s = new sun.misc.BASE64Encoder().encode(buf);

    buf = new sun.misc.BASE64Decoder().decodeBuffer(s);
  }
}

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Convert base64 string to a byte array : String Convert « Data Type « Java

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