mhingan · mhingan · Aug 6, 2023 · Aug 6, 2023
diff --git a/Java_Practice/src/main/java/org/example/IO/KeyboardProcessor/KeyboardHandler.java b/Java_Practice/src/main/java/org/example/IO/KeyboardProcessor/KeyboardHandler.java
@@ -4,7 +4,7 @@
 
 public class KeyboardHandler {
 
-    public void putDataTo(String fileName) throws IOException {
+    public  void putDataTo(String fileName) throws IOException {
         BufferedReader bReader = new BufferedReader(new InputStreamReader(System.in));
         FileWriter fileWriter = new FileWriter(fileName);
 

diff --git a/Java_Practice/src/main/java/org/example/IO2/KeyboardReaderHandler.java b/Java_Practice/src/main/java/org/example/IO2/KeyboardReaderHandler.java
@@ -0,0 +1,33 @@
+package org.example.IO2;
+
+import java.io.*;
+import java.util.Scanner;
+
+public class KeyboardReaderHandler {
+    public static void filterData(String fileName) throws IOException {
+        BufferedReader keyboardReader = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter writer = new BufferedWriter(new FileWriter(fileName));
+        String line;
+
+
+        System.out.println("Insert words: \n");
+        while (!(line = keyboardReader.readLine()).equalsIgnoreCase("stop")) {
+            int digitsNumber = line.length();
+            if (line.matches(".*[0-9].*")) {
+                System.out.println("Number found in user input! try again");
+                keyboardReader.close();
+                writer.close();
+            } else if (line.contains(" ")) {
+                writer.write("\n" + line + " <-this sentence has " + digitsNumber + " digits (spaces included).");
+            } else {
+                writer.write("\n" + line + " <-this word has " + digitsNumber + " digits.");
+            }
+        }
+        keyboardReader.close();
+        writer.close();
+
+
+    }
+
+
+}
diff --git a/Java_Practice/src/main/java/org/example/IO2/Main.java b/Java_Practice/src/main/java/org/example/IO2/Main.java
@@ -0,0 +1,11 @@
+package org.example.IO2;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        String fileName = "src/main/resources/IO2/filteredData.txt";
+        KeyboardReaderHandler.filterData(fileName);
+
+    }
+}
diff --git a/Java_Practice/src/main/java/org/example/concurrency/ex1/Ex1.java b/Java_Practice/src/main/java/org/example/concurrency/ex1/Ex1.java
@@ -0,0 +1,8 @@
+package org.example.concurrency.ex1;
+
+public class Ex1 extends Thread {
+    @Override
+    public synchronized void run() {
+        System.out.println("Hello, " + Thread.currentThread().getName());
+    }
+}
diff --git a/Java_Practice/src/main/java/org/example/concurrency/ex1/Main.java b/Java_Practice/src/main/java/org/example/concurrency/ex1/Main.java
@@ -0,0 +1,19 @@
+package org.example.concurrency.ex1;
+
+
+public class Main {
+    /**
+     * Create a program that generates 5 threads, and each thread prints "Hello, Thread X" where X is the thread number. Make sure the threads execute concurrently.
+     **/
+    public static void main(String[] args) throws InterruptedException {
+        Thread thread = new Ex1();
+        thread.start();
+
+        for(int i = 0; i<4; i++){
+            Ex1 ex1Thread = new Ex1();
+            ex1Thread.start();
+
+            Thread.sleep(900);
+        }
+    }
+}
diff --git a/Java_Practice/src/main/java/org/example/jdbc/Main.java b/Java_Practice/src/main/java/org/example/jdbc/Main.java
@@ -0,0 +1,30 @@
+package org.example.jdbc;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+public class Main {
+//    public static void main(String[] args) {
+//        Connection connection = null;
+//        DriverManager.setLoginTimeout(60); // wait 1 min; optional: database may be busy, good to set a higher timeout
+//        try {
+//            String url = new StringBuilder()
+//                    .append("jdbc:")
+//                    .append("mysql") // “mysql” / “db2” / “mssql” / “oracle” / ...
+//                    .append("://")
+//                    .append(host)
+//                    .append(":")
+//                    .append("/")
+//                    .append("name")
+//                    .append(dbName)
+//                    .append( )
+//                    .append(user)
+//                    .append( )
+//                    .append(pw).toString();
+//            return DriverManager.getConnection(url);
+//        } catch (SQLException e) {
+//            System.err.println( + e.getMessage());
+//        }
+//    }
+}