JAVA

What is the default value of a boolean variable in Java?

False

True

Null

Undefined

Which annotation is used to define the primary key in Hibernate?

RimaryKey

Primary

_Key

What is the output of the following Java code?\n\npublic class Main {\n public static void main(String[] args) {\n int x = 5;\n System.out.println(x++);\n System.out.println(++x);\n }\n}

5\n7

6\n7

6\n6

5\n6

Which of the following is NOT a feature of Spring Framework?

What is the purpose of the 'throws' keyword in Java?

To declare that a method may throw an exception

To catch and handle exceptions

To define a custom exception class

To specify the type of an exception

What is the purpose of the 'finally' block in Java?

To specify code that will always be executed, regardless of whether an exception is thrown or not

To catch and handle exceptions

To define a custom exception class

To specify the type of an exception

Which statement is true about JDBC?

JDBC stands for Java Database Connectivity

JDBC is a standard API for connecting Java applications to relational databases

JDBC can only be used with MySQL databases

JDBC provides a set of classes and interfaces for executing SQL statements and managing database connections

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