Extracting text from PDF in columns?

I'm trying to extract the text from a number of PDFs in which the text is in two columns. When I copy the txt and paste it into Word, it ends up being in a single column, the width of one of the original columns, but with a hard return at the end of each line.
I don't really care if the extracted text ends up being in one column or two, I just want it not to have a return at the end of each line. Can anyone suggest an alternative method?

i get the following error message:
Exception in thread "main" java.lang.NoClassDefFoundError: org/fontbox/afm/FontMetric
at org.pdfbox.pdmodel.font.PDFont.getAFM(PDFont.java:334)
at org.pdfbox.pdmodel.font.PDSimpleFont.getFontHeight(PDSimpleFont.java:104)
at org.pdfbox.util.PDFStreamEngine.showString(PDFStreamEngine.java:336)
at org.pdfbox.util.operator.ShowTextGlyph.process(ShowTextGlyph.java:80)
at org.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:452)
at org.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:215)
at org.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:174)
at org.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:336)
at org.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:259)
at org.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:216)
at org.pdfbox.util.PDFTextStripper.getText(PDFTextStripper.java:149)
at extracttext.Main.main(Main.java:55)
Java Result: 1
BUILD SUCCESSFUL (total time: 1 second)
I would appreciate if you can please help me writing a java program that can extract only test from a pdf file

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