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Java 2022-01-29 21:40:54
Java create new file
import java.io.FileWriter; // Import the FileWriter class import java.io.IOException; // Import the IOException class to handle errors public class WriteToFile { public static void main(String[] args) { try { FileWriter myWriter = new File... Add solution -
Java 2022-01-27 21:15:33
how to read from json files in java
package com.howtodoinjava.demo.jsonsimple; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import org.json.simple.JSONArray; import org.json.simple.JSONObject; import org.json.simple.parser.JSONPa... Add solution -
Java 2022-01-27 18:05:23
java code to get all leaf nodes of a xml file
try { final Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse("input.xml"); final XPathExpression xpath = XPathFactory.newInstance().newXPath().compile("//*[count(./*) = 0]"); final NodeList nodeList ... Add solution -
Other 2022-01-23 05:01:28
readwritelock example
import java.util.concurrent.locks.ReentrantReadWriteLock; public class TestThread { private static final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); private static String message = "a"; public static void main(Stri... Add solution -
Java 2022-01-22 15:00:58
javafx fill tableview with data
import java.sql.Connection; import java.sql.ResultSet; import javafx.application.Application; import javafx.beans.property.SimpleStringProperty; import javafx.beans.value.ObservableValue; import javafx.collections.FXCollections; import javafx.collections.... Add solution -
Other 2021-11-12 05:48:08
upload photo to server and view in api android
@Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == 1) if (resultCode == Activity.RESULT_OK) { Uri selectedImage = dat... Add solution -
Other 2021-11-11 23:59:24
how to remove empty space from xml jFrame
try { DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); File xmlFile = new File("example.xml"); Document doc = builder.parse(xmlFile); // Remove Code XPath xp = XPathFactory.newInstance().newXPath(... Add solution