Java

What is the purpose of the `public` access modifier in Java?

• To make a class or method private

• To make a class or method accessible from any other class

• To make a class or method protected

• To make a class or method default

Which of the following is a valid Java data type?

• Int

• Float

• Double

• All of the above

What is the difference between `==` and `.equals()` in Java?

• `==` checks for reference equality, while `.equals()` checks for value equality

• `==` checks for value equality, while `.equals()` checks for reference equality

• `==` is used for primitive types, while `.equals()` is used for objects

• `==` is used for objects, while `.equals()` is used for primitive types

What is the purpose of the `finally` block in a Java `try-catch` statement?

• To catch and handle exceptions

• To provide an alternative code path if an exception occurs

• To execute code regardless of whether an exception occurs or not

• To skip over code in the `try` block

Which of the following is a type of Java exception?

• Checked exception

• Unchecked Exception

• Runtime Exception

• All of the above

super keyword in java is used to ..............

What is the purpose of the `abstract` keyword in Java?

• To define an abstract class

• To define a concrete class

• To define an interface

• To define a method

Which of the following is a valid Java annotation?

• @Override

• @Deprecated

• @SuppressWarnings

• All of the above

What is the purpose of 'continue' statement in java?

What is the purpose of the `static` keyword in Java?

• To make a variable or method instance-specific

• To make a variable or method class-specific

• To make a variable or method accessible from any class

• To make a variable or method private