Any way to declare an array in-line?
If you want to convert an Instant to a Date: Date myDate = Date.from(instant); And then you can use SimpleDateFormat for the formatting part of your question: SimpleDateFormat formatter = new SimpleDateFormat("dd MM yyyy...
Sending mail error, javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25;
Consider public static void main(String args) { int foo = new int { new int { 1, 2, 3 }, new int { 1, 2, 3, 4}, }; System.out.println(foo.length);...
Edit 2; worth putting on top:Â I think it is worth mentioning that this is actually downloading all data at this snapshot just to check whether any data exists. You...
difference between System.out.println() and System.err.println()
JSP (JavaServer Pages) JSP is a Java view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, JavaScript, ect.). JSP...
UPDATEYou can use Apache Commons Codec (version 1.7+) to do this job for you. DigestUtils.sha1Hex(stringToConvertToSHexRepresentation) Thanks to @Jon Onstott for this suggestion. Old Convert your Byte Array to Hex String. Real’s How To...
equivalent to push() or pop() for arrays?
The length of an array in Java is immutable. So, you need to copy the desired part into a new array.Use copyOfRange method from java.util.Arrays class: int newArray = Arrays.copyOfRange(oldArray, startIndex, endIndex); startIndex is...