Explore the technical principles of the Angular Base64 framework in the Java class library

The Angular Base64 framework in the Java Class Library is a tool for encoding binary data as readable string.It can provide data transmission and storage security, and is very suitable for use in network transmission.Below will discuss the technical principles of the Angular Base64 framework and provide some Java code examples to demonstrate its use. Technical principle: The Angular Base64 framework uses the Base64 encoding algorithm to convert binary data into readable string.This algorithm is processed based on the three bytes as a group and converts these three bytes into four printed ASCII characters. The specific conversion process is as follows: 1. Divide the binary data that need to be encoded into three bytes of blocks.If the remaining data is less than three bytes, it is appropriately filled to achieve three bytes.This filling is usually zero at the end of the data. 2. Convert the three bytes of each block to four 6 -bit values.Each 6 -bit value can represent 64 different values, which is the basis of the base64 encoding. 3. Imam to the corresponding characters of the base64 character concentration.Base64 character set consists of 64 characters containing lowercase letters, numbers, and 64 characters. 4. Make these four characters into a string. This string is the result of Base64 encoding. Java code example: Below is an example code that uses the Angular Base64 framework in the Java Library to encode and decodes. import java.util.Base64; public class Base64Example { public static void main(String[] args) { // Binary data that needs to be encoded byte[] binaryData = "Hello World".getBytes(); // Perform binary data base64 encoding String encodedData = Base64.getEncoder().encodeToString(binaryData); System.out.println ("Base64 encoding result:" + encodeddata); // Decoding the data encoded by Base64 byte[] decodedData = Base64.getDecoder().decode(encodedData); String decodedString = new String(decodedData); System.out.println ("decoding result:" + decodedstring); } } In the above example code, we first converted the string "Hello World" to binary data.Then use the base64 encoding to encode the binary data as a readable string.Finally, use the Base64 decoder to decode the encoded data into the original binary data and convert it back to the string. By understanding the technical principles of the Angular Base64 framework, and using the corresponding tools in the Java library, you can better understand how to convert binary data into base64 coding and decoding when needed.In this way, you can better use the Angular Base64 framework to ensure the security of data transmission and storage.