Java

This is sort of like cheating the Java runtime. Ideally, I believe, starting Java 1.6, you cannot execute Java programs without a standard main method. Prior to that, only the

Reading all lines of a file from classpath in Java 8 and display on screen: Files.lines(Paths.get(ClassLoader.getSystemResource(“filename.extension”) .toURI())).forEach(System.out::println);

Java provides a mechanism to know the serialization properties of a given class. Command: serialver -show The above command will bring up a window titled Serial Version Inspector with fields

Use the code sample below to use Java to find the number of CPU cores. int cores = Runtime.getRuntime().availableProcessors();

This regex will help you retrieve all the digits that are present in the string. Regex is powerful and makes this a simple procedure. public class FindAllDigitsInString{ public static void

The parse() method from SimpleDateFormat class helps to convert a String pattern into a Date object. DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.SHORT, Locale.US);String dateStr = “08/30/2018”; // input StringDate date = dateFormat.parse(dateStr);System.out.println(date.getYear()); There are

When one of the two operands is not a string, it is converted to a String as follows: an operand whose type is a primitive type is converted as if by

It may be required to move a file or file(s) based on a requirement. The following Java APIs help us achieve this. The code snippet below illustrates moving file a.png

Some IDEs provide support for generating HTML from Javadocs automatically, but this can also be achieved using the command line: javadoc tool The most basic usage of the tool is