Branch 1

Email-Sender-Using-Java/pom.xml

@@ -0,0 +1,30 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.ashish</groupId>
+  <artifactId>Email-Sender-Using-Java</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <name>Email-Sender-Using-Java</name>
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+		<dependency>
+			<groupId>com.sun.mail</groupId>
+			<artifactId>javax.mail</artifactId>
+			<version>1.6.2</version>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>3.8.1</version>
+			<scope>test</scope>
+		</dependency>
+  </dependencies>
+</project>

Email-Sender-Using-Java/src/main/java/com/sachin/Email_Sender_Using_Java/App.java

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+package com.sachin.Email_Sender_Using_Java;
+import java.io.File;
+import java.util.*;
+import javax.mail.Authenticator;
+import javax.mail.Message;
+import javax.mail.PasswordAuthentication;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeBodyPart;
+import javax.mail.internet.MimeMessage;
+import javax.mail.internet.MimeMultipart;
+
+public class App 
+{
+
+	public static void main( String[] args )
+    {
+		System.out.println("preparing to send message ...");
+		String message = "Name: Sachin Baghel, Course:PG-DAC, College: CDAC,Noida, Contact Number: 8860883929";
+		String subject = "Challenge 3 Completed.";
+		String to = "[email protected]";
+		String from = "[email protected]";
+
+		sendAttachment(message,subject,to,from);
+	}
+private static void sendAttachment(String message, String subject, String to, String from) {
+
+	//Variable for gmail
+	String host="smtp.gmail.com";
+
+	//get the system properties
+	Properties properties = System.getProperties();
+	System.out.println("PROPERTIES "+properties);
+
+	//setting important information to properties object
+
+	//host set
+	properties.put("mail.smtp.host", host);
+	properties.put("mail.smtp.port","465");
+	properties.put("mail.smtp.ssl.enable","true");
+	properties.put("mail.smtp.auth","true");
+
+	//Step 1: to get the session object..
+	Session session=Session.getInstance(properties, new Authenticator() {
+		@Override
+		protected PasswordAuthentication getPasswordAuthentication() {				
+			return new PasswordAuthentication("[email protected]","zzkoizyjbgumjokx");
+		}	
+	});
+
+	session.setDebug(true);
+
+	//Step 2 : compose the message [text,multi media]
+
+	MimeMessage m = new MimeMessage(session);
+	try {
+
+	//from email
+	m.setFrom(from);
+
+	//adding recipient to message
+	m.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
+
+	//adding subject to message
+	m.setSubject(subject);
+
+
+	//attach
+
+	//file path
+	String path="C:\\Users\\himan\\Desktop\\Springggggggg\\email.jpg";
+
+
+	MimeMultipart mimeMultipart = new MimeMultipart();
+	MimeBodyPart textMime = new MimeBodyPart();//text
+	MimeBodyPart fileMime = new MimeBodyPart();//file
+
+	try {
+
+		textMime.setText(message); //add text in it
+
+		File file=new File(path);
+		fileMime.attachFile(file);  //add file path in it  
+
+		mimeMultipart.addBodyPart(textMime);  //add both in its parent
+		mimeMultipart.addBodyPart(fileMime);  //add both in its parent
+
+
+	} catch (Exception e) {
+
+		e.printStackTrace();
+	}
+
+
+	m.setContent(mimeMultipart);
+
+
+	//send 
+
+	//Step 3 : send the message using Transport class
+	Transport.send(m);
+
+
+
+	}catch (Exception e) {
+		e.printStackTrace();
+	}
+
+	System.out.println("Sent success...................");
+
+
+
+
+}
+}

Email-Sender-Using-Java/src/test/java/com/sachin/Email_Sender_Using_Java/AppTest.java

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+package com.sachin.Email_Sender_Using_Java;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+    extends TestCase
+{
+    /**
+     * Create the test case
+     *
+     * @param testName name of the test case
+     */
+    public AppTest( String testName )
+    {
+        super( testName );
+    }
+
+    /**
+     * @return the suite of tests being tested
+     */
+    public static Test suite()
+    {
+        return new TestSuite( AppTest.class );
+    }
+
+    /**
+     * Rigourous Test :-)
+     */
+    public void testApp()
+    {
+        assertTrue( true );
+    }
+}

Email-Sender-Using-Java/target/classes/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Build-Jdk-Spec: 17
+Created-By: Maven Integration for Eclipse
+

Email-Sender-Using-Java/target/classes/META-INF/maven/com.ashish/Email-Sender-Using-Java/pom.properties

@@ -0,0 +1,7 @@
+#Generated by Maven Integration for Eclipse
+#Sat Jan 20 10:58:46 IST 2024
+m2e.projectLocation=C\:\\Users\\himan\\Desktop\\Springggggggg\\Email_Sender_With_attachment_using_Java-master
+m2e.projectName=Email-Sender-Using-Java
+groupId=com.ashish
+artifactId=Email-Sender-Using-Java
+version=0.0.1-SNAPSHOT

Email-Sender-Using-Java/target/classes/META-INF/maven/com.ashish/Email-Sender-Using-Java/pom.xml

@@ -0,0 +1,30 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.ashish</groupId>
+  <artifactId>Email-Sender-Using-Java</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <name>Email-Sender-Using-Java</name>
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+		<dependency>
+			<groupId>com.sun.mail</groupId>
+			<artifactId>javax.mail</artifactId>
+			<version>1.6.2</version>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>3.8.1</version>
+			<scope>test</scope>
+		</dependency>
+  </dependencies>
+</project>

README.md

@@ -1 +1,12 @@
 # interns-assignments
+# IgnitersHub.com
+
+Hello there, 
+This is the assignment requested via Igniters Hub.
+Points to be noted before you open the Files:
+1) Challenge 1,3,4 is in the "ignitershub_assign" package.
+2) Challenge 2 is in "Email-Sender-Using-Java" package.
+3) Screenshots of all the output is in "Out_screenshots" Folder.
+
+# ThankYou.
+# Enjoy.

ignitershub_assign/input.txt

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+10 - 2 =
+100 * ( 2 + 12 ) =
+(10 + 5^2) ( (5*-2) + 9 - 3^3) / 2=

ignitershub_assign/output.txt

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+10 - 2 = = 8
+100 * ( 2 + 12 ) = = 1400
+(10 + 5^2) ( (5*-2) + 9 - 3^3) / 2= = -490

ignitershub_assign/src/challenge_01/input_output_files.java

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+package challenge;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Stack;
+
+public class input_output_files {
+    public static void main(String[] args) {
+        try {
+            BufferedReader reader = new BufferedReader(new FileReader("input.txt"));
+            BufferedWriter writer = new BufferedWriter(new FileWriter("output.txt"));
+
+            String line;
+            while ((line = reader.readLine()) != null) {
+                String result = solveExpression(line);
+                writer.write(line + " = " + result);
+                writer.newLine();
+            }
+
+            reader.close();
+            writer.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static String solveExpression(String expression) {
+        Stack<Integer> operands = new Stack<>();
+        Stack<Character> operators = new Stack<>();
+
+        for (int i = 0; i < expression.length(); i++) {
+            char c = expression.charAt(i);
+            if (Character.isDigit(c)) {
+                StringBuilder num = new StringBuilder();
+                num.append(c);
+                while (i + 1 < expression.length() && (Character.isDigit(expression.charAt(i + 1)) || expression.charAt(i + 1) == '.')) {
+                    num.append(expression.charAt(++i));
+                }
+                operands.push(Integer.parseInt(num.toString()));
+            } else if (c == '(') {
+                operators.push(c);
+            } else if (c == ')') {
+                while (operators.peek() != '(') {
+                    operands.push(applyOperator(operators.pop(), operands.pop(), operands.pop()));
+                }
+                operators.pop();
+            } else if ("+-*/^".indexOf(c) != -1) {
+                while (!operators.empty() && precedence(operators.peek()) >= precedence(c)) {
+                    operands.push(applyOperator(operators.pop(), operands.pop(), operands.pop()));
+                }
+                operators.push(c);
+            }
+        }
+
+        while (!operators.empty()) {
+            operands.push(applyOperator(operators.pop(), operands.pop(), operands.pop()));
+        }
+
+        return String.valueOf(operands.pop());
+    }
+
+    private static int precedence(char operator) {
+        if (operator == '+' || operator == '-') {
+            return 1;
+        } else if (operator == '*' || operator == '/') {
+            return 2;
+        } else if (operator == '^') {
+            return 3;
+        }
+        return -1;
+    }
+
+    private static int applyOperator(char operator, int b, int a) {
+        switch (operator) {
+            case '+':
+                return a + b;
+            case '-':
+                return a - b;
+            case '*':
+                return a * b;
+            case '/':
+                if (b == 0) throw new ArithmeticException("Division by zero");
+                return a / b;
+            case '^':
+                return (int) Math.pow(a, b);
+        }
+        return 0;
+    }
+}

ignitershub_assign/src/challenge_03/palindrome.java

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+package challenge;
+
+import java.util.Scanner;
+
+public class palindrome {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Enter a string: ");
+        String input = scanner.nextLine();
+
+        if (isPalindrome(input)) {
+            System.out.println("The input '"+input+"' is a palindrome.");
+        } else {
+            System.out.println("The input '"+input+"' is not a palindrome.");
+        }
+    }
+
+    public static boolean isPalindrome(String str) {
+        // Remove all non-alphanumeric characters and convert to lowercase
+        String cleanStr = str.replaceAll("[^a-zA-Z0-9]", "").toLowerCase();
+
+        // Check if the cleaned string is a palindrome
+        int left = 0;
+        int right = cleanStr.length() - 1;
+        while (left < right) {
+            if (cleanStr.charAt(left) != cleanStr.charAt(right)) {
+                return false;
+            }
+            left++;
+            right--;
+        }
+        return true;
+    }
+}
+