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 Tools and Libs > Ostermiller Utilities > Base64 Encode Byte Array

Base64 Encode Byte Array 

Ostermiller Java Utilities contain various components such as CSV parsing, Base64 Encoding, MD5 digest, String and Exec Helper classes. This requires the library ostermillerutils-1.08.01.jar to be in classpath. The following example shows encoding a byte array in Base64 format.

File Name  :  
Author  :  Sudhakar KV
Email  :  [email protected]
package com.bethecoder.tutorials.ostermillerutils;

import java.nio.ByteBuffer;

import com.Ostermiller.util.Base64;

public class Base64EncodeByteArrayTest {

   @param args
  public static void main(String[] args) {

    //Get some byte array (17291729 as byte array)
    byte [] bytes = ByteBuffer.allocate(4).putInt(17291729).array();

    String encodedStr = Base64.encodeToString(bytes);


It gives the following output,


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