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  1. Criar fundo escuro opaco ao abrir ja... Criar fundo escuro opaco ao abrir janelas dialog usando FlatLaf
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    package info.evoluti.erp.components.util;
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    import com.formdev.flatlaf.util.Animator;
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    import lombok.AccessLevel;
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    import lombok.NoArgsConstructor;
  2. Reconhecer conteúdo de imagem e forç... Reconhecer conteúdo de imagem e forçar uma margem de 30px ao redor, recortando o conteúdo excedente da margem
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    /**
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     *
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     * @author Rodrigo Cananea <[email protected]>
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     */
  3. Java 8 Limit files by last modified ... Java 8 Limit files by last modified (.sql / .zip)
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    // Days of limit
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    final int limitDays = 5; 
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    List<File> files = Files.list(Paths.get("D:\Backup"))
  4. Java 8 Elapsed time with Guava Java 8 Elapsed time with Guava
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    import com.google.common.base.Stopwatch;
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    import java.awt.event.ActionEvent;
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    import java.awt.event.ActionListener;
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    import java.time.Duration;
  5. Abrir gaveta de dinheiro usando Epso... Abrir gaveta de dinheiro usando Epson ou Bematech por comando de impressão - Java
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    public static void abrirGaveta() {
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        javax.print.DocPrintJob dpj = PrinterService.getImpressoraPadrao().createPrintJob();
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        javax.print.DocFlavor flavor = javax.print.DocFlavor.BYTE_ARRAY.AUTOSENSE;
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        //byte[] bematech = new byte[]{(byte) 29, (byte) 249, (byte) 32, (byte) 0, (byte) 27, (byte) 118, (byte) 140};
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        byte[] epson = new byte[]{(byte) 27, (byte) 112, (byte) 0, (byte) 10, (byte) 100};
  6. JLabel responsiva, redimensionar con... JLabel responsiva, redimensionar conforme na largura/altura disponivel
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    import java.awt.EventQueue;
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    import java.awt.Font;
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    import java.awt.Graphics;
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    import java.awt.event.ComponentAdapter;