For Formatter, import the following package −import java.util.Formatter;Now create a Formatter object like this −Formatter f1 = new Formatter(); Formatter f2 = new Formatter(); Formatter f3 = new Formatter();If you want a Format specifier for Octal, use %o −f3.format("Octal values %o %o %o", 15, 55, 78);If you want a Format specifier for Hexadecimal, use %x −f2.format("Hexadecimal values %x %x %x", 24, 98, 110);The following is an example −Example Live Demoimport java.util.Formatter; public class Demo { public static void main(String args[]) { Formatter f1 = new Formatter(); ... Read More

For Formatter, import the following package −import java.util.Formatter;Now create a Formatter object −Formatter f1 = new Formatter();Now, we will format the output with Formatter −f1.format("Rank and Percentage of %s = %d %f", "John", 2, 98.5);The following is an example −Example Live Demoimport java.util.Formatter; public class Demo { public static void main(String args[]) { Formatter f1 = new Formatter(); Formatter f2 = new Formatter(); f1.format("Rank and Percentage of %s = %d %f", "John", 2, 98.5); ... Read More

For locale-specific formatting, firstly import the following packages.import java.util.Calendar; import java.util.Formatter; import java.util.Locale;Create a Formatter and Calendar object −Formatter f = new Formatter(); Calendar c = Calendar.getInstance();We are formatting for different Locales −f.format(Locale.TAIWAN, "Locale.TAIWAN: %tc", c); f.format(Locale.ITALY, "Locale.ITALY: %tc", c);The following is an example −Example Live Demoimport java.util.Calendar; import java.util.Formatter; import java.util.Locale; public class Demo { public static void main(String args[]) { Formatter f = new Formatter(); Calendar c = Calendar.getInstance(); f.format(Locale.TAIWAN, "Locale.TAIWAN: %tc", c); ... Read More

To get the temporary directory in Java, use the System.getProperty() method. Use theIt’s syntax is −String getProperty(String key)Above, the key is the name of the system property. Since, we want the Java Home Directory name, therefore we will add the key as −java.io.tmpdirThe following is an example −Example Live Demopublic class Demo { public static void main(String []args){ String strTmp = System.getProperty("java.io.tmpdir"); System.out.println("OS current temporary directory: " + strTmp); System.out.println("OS Name: " + System.getProperty("os.name")); ... Read More

Let us first set the calendar object −Calendar calendar = Calendar.getInstance();Use the getMaximum() method in Java to returns the maximum value for the given calendar field. We will use it to set the minute, second and milliseconds.For seconds −calendar.set(Calendar.SECOND, calendar.getMaximum(Calendar.SECOND));For milliseconds −calendar.set(Calendar.MILLISECOND, calendar.getMaximum(Calendar.MILLISECOND));The following is an example that returns a Date set to the last possible millisecond of the minute −Example Live Demoimport java.util.Calendar; import java.util.GregorianCalendar; public class Demo {    public static void main(String[] argv) throws Exception {       Calendar calendar = Calendar.getInstance();       // seconds       calendar.set(Calendar.SECOND, calendar.getMaximum(Calendar.SECOND));       // milliseconds ... Read More

Use the getMaximum() method in Java to returns the maximum value for the given calendar field. We will use it to set the minute, second and milliseconds.Let us first declare a calendar object −Calendar dateNoon = Calendar.getInstance();Now, we will set the hour, minute, second and millisecond to the first possible millisecond of the month after midnight −// hour, minute and second calendar.set(Calendar.HOUR_OF_DAY, calendar.getMaximum(Calendar.HOUR_OF_DAY)); calendar.set(Calendar.MINUTE, calendar.getMaximum(Calendar.MINUTE)); calendar.set(Calendar.SECOND, calendar.getMaximum(Calendar.SECOND)); // millisecond calendar.set(Calendar.MILLISECOND, calendar.getMaximum(Calendar.MILLISECOND));The following is an example that return a Date set to the first possible millisecond of the month after midnight −Example Live Demoimport java.util.Calendar; import java.util.GregorianCalendar; public class Demo { ... Read More

Use the getMaximum() method in Java to returns the maximum value for the given calendar field. We will use it to set the minute, second and millisecond.Let us first declare a calendar object −Calendar dateNoon = Calendar.getInstance();Now, we will set the hour, minute, second and millisecond to the last possible millisecond on the month before midnight.// hour, minute and second calendar.set(Calendar.HOUR_OF_DAY, calendar.getMaximum(Calendar.HOUR_OF_DAY)); calendar.set(Calendar.MINUTE, calendar.getMaximum(Calendar.MINUTE)); calendar.set(Calendar.SECOND, calendar.getMaximum(Calendar.SECOND)); // millisecond calendar.set(Calendar.MILLISECOND, calendar.getMaximum(Calendar.MILLISECOND));Now, do the following for month and day of month −calendar.set(Calendar.DAY_OF_MONTH, 1); // first day of month calendar.add(Calendar.MONTH, 1); calendar.add(Calendar.DAY_OF_MONTH, -1);The following is an example to return a Date set to ... Read More

Use the System.getProperty() method in Java to get the Java Home Directory.It’s syntax is −String getProperty(String key)Above, the key is the name of the system property. Since, we want the Java Home Directory name, therefore we will add the key as −java.homeThe following is an example −Example Live Demopublic class Demo { public static void main(String[] args) { System.out.println("Get Java Home Directory = " + System.getProperty("java.home")); System.out.print("Java Specification Version: "); System.out.println(System.getProperty("java.specification.version")); System.out.print("java Runtime Environment ... Read More

To display the path separator, use the Properties class and import the following package −import java.util.Properties;Use the getProperties() method first and create an object −Properties p = System.getProperties();Now, set the key for path separator −p.getProperty("path.separator")The following is an example −Example Live Demoimport java.util.Properties; public class Demo { public static void main(String[] args) { Properties p = System.getProperties(); System.out.println("Separator is "+p.getProperty("path.separator")); } }OutputSeparator is :

In this article, we will discuss how to get the operating system name and version in Java. To get the name and version of the operating system we will be using the System.getProperty() method. Steps to get the operating system name and version The following are the steps to get the operating system name and version − We will start by defining a class named Demo and inside that we will create the main method.Inside that main method, we will use the os.name and os.version to get the name and version of the operating system.And at the ... Read More