String encodedData = Base64.getEncoder().encodeToString(inputData); byte[] decodedData = Base64.getDecoder().decode(encodedData); <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.15</version> </dependency> import org.apache.commons.codec.binary.Base64; public class Base64Example { public static void main(String[] args) { String inputData = "Hello, World!"; String encodedData = Base64.encodeBase64String(inputData.getBytes()); System.out.println("Encoded data: " + encodedData); byte[] decodedData = Base64.decodeBase64(encodedData); String originalData = new String(decodedData); System.out.println("Decoded data: " + originalData); } } Encoded data: SGVsbG8sIFdvcmxkIQ== Decoded data: Hello, World!


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