Proper formatting of output is essential. There are times when the details presented are not formatted. The code snippet below displays details in a formatted manner that is a better
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