Here is an example that demonstrates how you can use Files.size() from Java's NIO API to get the file size: try { // get file size in bytes long size = Files.size(Paths.get("logo.png")); // convert size to KB/MB double kb = size / 1024.0; double mb = kb / 1024.0; //...
In this code, you use theprintln()method to print the second element of thepasswordarray. (For more on theSystem.out.printlnstatement, check out our tutorialHow To Write Your First Program in Java.) The second element has an index of1because array elements are numbered starting at 0, as ...
In order to call Instrumentation.getObjectSize(Object) to get object’s size, we need to be able to access the instance of Instrumentation first. We need to use the instrumentation agent and there are two ways to do it, as described in the documentation for the java.lang.instrument pac...
In this example, we have a list of integers that we want to sort in ascending order. We use theCollections.sort()method to sort the list, and then print the sorted list to the console. The output shows the list sorted in ascending order. This is a basic way to sort a list in Jav...
Once you have done this, then you just need to use the length() function to get the size of the file. The Java length() function, when working with files, returns the size of the file in unit bytes. The code to get the size of a file in Java is shown below. ...
Typesafe enums offer a better alternative to Java's traditional enumerated types. Here's how to use typesafe enums correctly in your Java code.
#How to convert BigDecimal to String with an example in Java? In Java, we can convertBigDecimaltoStringin multiple ways. The first way with thetoStringmethod, and the second with thetoEngineeringStringmethod. The third way, use the simpletoPlainStringmethod. ...
You can set JAVA_HOME on Windows in one of three ways: Allow the Java installer to do it. Use the environment variable editor. Set JAVA_HOME at the command line. Automatically set JAVA_HOME Java installers have come a long way over the years. ...
Create a new image buffer with the right size Write image data while "streching" or "shrinking" to the new size It is recommended to use large images in the JAR file so that quality will not be lost in the resizing process Consider which images to resize on start up (backgrounds, heavi...
menuItem.setIcon(null); //arbitrarily chose not to use icon in menu ... button = new JButton(); button.setAction(leftAction); button.setText(""); //an icon-only button We chose to create an icon-only button and a text-only menu item from the same action by setting the icon prop...