Java

To compute the cryptographic hashing value in Java, the “MessageDigest” class is used that computes the digest value, and retrieves the results in a byte array.

The System.nanoTime() Function in Java returns the present time of a running Java program in nanoseconds with greater precision.

A string is truncated by various methods like JDK methods that include substring(), split(), codePoints() functions, or libraries like Apache Commons and Guava.

There is no “typeOf” operator in Java. However, use the “getClass()” method, “instanceof” operator, or the “isInstance()” method to retrieve the type of values.

The “print()” method prints text and the cursor remains at the end of the text whereas the “println()” method moves the cursor to the next line on the console.

The “toString()” method throws “NullPointerException” if passed value is null whereas the “valueOf()” method returns “null” string if the passed value is null.

To initialize a list in Java, apply the “Arrays.asList()” method, the “List.add()” method, the “Collections” class methods, Stream, or the “List.of()” method.