import java.awt.Color; import java.awt.Component; import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; public class jFrameGeraSudoku extends javax.swing.JFrame { /** * Creates new form jFrameGeraSudoku */ public jFrameGeraSudoku() { initComponents(); } static int [][] Exist = new int [9][9]; static int Value ...
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I’m trying to compile my Java Project in Eclipse IDE, but my Maven Compile failed with Source option 5 is no longer supported. Use 7 or later. error. I checked my build path & I can run standalone Java program but ...
How to read numeric or all type of column as String. I want all my column data as String, So I’m trying to get the cell value using cell.getStringCellValue() , Its not working is there any other option in Apache POI ...
I’m trying to parse a excel file using apache poi but I’m getting the error “org.apache.poi.openxml4j.exceptions.NotOfficeXmlFileException: The supplied data appears to be a raw XML file. Formats such as Office 2003 XML are not supported“. I research & found xls ...
I want to split the string by space, below code not working. I’m new to Java. Please share the good tutorials for beginners. String s1 = “Welcome to Hello World Java”; String[] str = s1.split(” “);
Tamil text not displayed in image created using BufferedImage & Graphics2D. I set “Latha” font instead of “Arial” but still its displaying text as boxes. Please help me why Tamil font not supported in Graphics2D BufferedImage img = ImageIO.read(new File(“template.jpg”)); Graphics2D g2d ...
I’m getting below error while split the string by “\” even I used with escape “\\” but still getting the exception Exception in thread “main” java.util.regex.PatternSyntaxException: Unexpected internal error near index 1 \ at java.base/java.util.regex.Pattern.error(Pattern.java:2029) at java.base/java.util.regex.Pattern.compile(Pattern.java:1790) at java.base/java.util.regex.Pattern.<init>(Pattern.java:1431) at java.base/java.util.regex.Pattern.compile(Pattern.java:1070)
I’m trying to replace all the question (?) mark in my document String s = “xyz?”; s.replaceAll(“?”.””); using sample code mentioned above but getter java.util.regex.PatternSyntaxException: Dangling meta character ‘?’ near index 0 what I’m doing wrong here ? why I’m getting this error ? java.util.regex.PatternSyntaxException: ...
XPath Expression not working factory.setNamespaceAware(true); . If I comment out the line its working properly. May I know why its not working with Namesapce Aware ? package com.test; import java.io.IOException; import java.io.StringReader; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.xpath.XPath; import javax.xml.xpath.XPathConstants; import javax.xml.xpath.XPathExpression;
Getting below issue while parsing excel file using Apache poi, My workspace contains below jars in pom.xml, Why we need dom4j.jar to read excel file ? Internal dependency should be auto resolved ? <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.10-FINAL</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId>