(SOLVED) MessageDigest.getInstance("SHA256") java.security.NoSuchAlgorithmException: SHA256

PROBLEM :
MessageDigest.getInstance("SHA256") java.security.NoSuchAlgorithmException: SHA256 MessageDigest not available

java.security.NoSuchAlgorithmException: SHA256 MessageDigest not available
 at sun.security.jca.GetInstance.getInstance(GetInstance.java:159)
 at java.security.Security.getImpl(Security.java:730)
 at java.security.MessageDigest.getInstance(MessageDigest.java:167)

SOLVED : 

Rename MessageDigest.getInstance("SHA256")  with MessageDigest.getInstance("SHA-256")