21CS642 Advance Java Programming Solved Model Question Paper-2 with Answer Module 1 1.A] What is Autoboxing? Write a Java program that demonstrates how autoboxing and unboxing take place in expression evaluation 1.B] What are Annotations? Explain the following built-in annotations…
10.B] Write a note on:i) Transaction processingii) Savepoint Transaction processing Method Description void setAutoCommit(boolean status) It is true bydefault means each transaction is committed bydefault. void commit() commits the transaction. void rollback() cancels the transaction. Savepoints The Connection object has…
9.B] Explain how to read a ResultSet with an example. Answer:- 9.B] Explain How to Read a ResultSet with an Example ResultSet Interface Overview The ResultSet interface in Java provides methods for navigating and retrieving data from a result set…
9.A] Explain the Prepared Statement Object with an Example Prepared Statement Object In Java, the PreparedStatement object is an interface provided by the JDBC (Java Database Connectivity) API. It is used to execute SQL queries in a more efficient and…
7.C] Explain the Servlet life cycle Answer:- The web container maintains the life cycle of a servlet instance.
5.B] Write a note on:i) String comparisonii) String searching Answer:- String Comparison and Searching in Java i) String Comparison String comparison in Java involves checking whether two strings are identical or determining their lexicographical order. Java provides several methods for…
4.B] Write a note on:i) Bounded Typesii) Ambiguity Errors Answer: i) Bounded Types in Java Generics Definition: In Java generics, bounded types are used to restrict the types that can be passed as type parameters. This allows you to define…
4.A] Write a program on Generic Constructor. Answer: Generic Constructor in Java: A generic constructor in Java is a constructor that has one or more type parameters. These type parameters are independent of the generic parameters of the class and…
3.A] Write a program that contains a generics class with two type parameters. Answer: Generics in Java: Generics allow you to define classes, interfaces, and methods with type parameters, providing strong type-checking at compile time and eliminating the need for…
1.B] What are Annotations? Explain the following built-in annotations with an example program:i) @Overrideii) @Inheritediii) @Retention Answer: Annotations in Java: Annotations in Java provide metadata about the program and can be used to give instructions to the compiler, runtime, or…
