Demonstrates how to encrypt a string using the MD5 algorithm in Java. Since MD5 is non-reversable, there is no code for decrypting the value.

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1. import java.math.*;
2. import java.security.*;
4. String toEnc = “Encrypt This!”; // Value to encrypt
5. MessageDigest mdEnc = MessageDigest.getInstance(“MD5”); // Encryption algorithm
6. mdEnc.update(toEnc.getBytes(), 0, toEnc.length());
7. String md5 = new BigInteger(1, mdEnc.digest()).toString(16) // Encrypted string