What will be the output of the following JSP code snippet? When the page is refreshed multiple times.

Given a bean with a property username, which tag retrieves its value in JSP?

What will be the output of the following code?  import java.util.Arrays; public class Test { public static void main(String[] args) { int[] arr = {5, 2, 8, 7, 1}; Arrays.sort(arr); System.out.println(Arrays.toString(arr)); } }

What will be the output of the following code snippet? class Animal { void makeSound() { System.out.println(“Animal sound”); } void sleep() { System.out.println(“Animal sleeps”); } } class Dog extends Animal { @Override void makeSound() { System.out.println(“Bark”); } void fetch() { System.out.println(“Dog fetches”); } } public class Main { public static void main(String[] args) { Animal a = new Dog(); a.makeSound(); a.sleep(); } }

What does this transaction block do if the second insert fails? Connection con = DriverManager.getConnection(url, user, pass); con.setAutoCommit(false); try { Statement stmt = con.createStatement(); stmt.executeUpdate(“INSERT INTO users(name) VALUES (‘John’)”); stmt.executeUpdate(“INSERT INTO users(email) VALUES (‘test@example.com’)”); // Fails con.commit(); } catch (SQLException e) { con.rollback(); System.out.println(“Rolled back”); }

Which of the following is used to declare a method or variable in JSP?

What will happen in the following code?  List

What will be the output of the following code?  import java.util.*; public class Test { public static void main(String[] args) { List list = List.copyOf(Arrays.asList(“X”, “Y”, “Z”)); list.add(“W”); } }

What is the state of a thread after the start() method is called but before run() begins execution?

What will be the output order of the messages below? Threads call print(“A”), print(“B”), print(“C”) on the same instance. class Printer { void print(String msg) { synchronized(this) { System.out.println(“[” + msg + “]”); try { Thread.sleep(100); } catch (InterruptedException e) {} } } }