Posts Tagged ‘java’

Java convert ArrayList to double[]

Written by iassael on . Posted in computing

Java can be very efficient sometimes… First, you need to to download the apache commons lang library, from here http://commons.apache.org/proper/commons-lang/. Then, using this function you can convert your List<>
double[] arr = ArrayUtils.toPrimitive(arrlist.toArray(new Double[arrlist.size()]))

Java Printing Unicode in Windows

Written by iassael on . Posted in computing

After many tries this code works for printing a String in Java on a Windows Machine.

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.printing.Printer;
import org.eclipse.swt.printing.PrinterData;

public class TextPrinter {