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Encode binary data as Base64 string

import org.apache.commons.codec.binary.Base64; import java.util.Arrays; public class Base64Encode {   public static void main(String[] args) {     String hello = "Hello World";     byte[] encoded = Base64.encodeBase64(hello.getBytes());     System.out.println(Arrays.toString(encoded));     String encodedString = new String(encoded);     System.out.println(hello + " = " + encodedString);   } }