Which of the following is an example of autoboxing in Java?

`String text = "Hello";`

`Integer num = 42;`

`Double result = 3.14;`

`String text = "Hello";`

Which of the following is an example of autoboxing in Java? Correct Answer `Integer num = 42;`

মোঃ আরিফুল ইসলাম

Feb 20, 2025

Related Questions

Which of the following statements is true about autoboxing in Java?

Autoboxing is introduced in Java 5.0 and later versions

Autoboxing requires explicit casting

Autoboxing is used only for primitive types

Autoboxing is not used in Java

In Java, which of the following is a valid autoboxing conversion?

`String` to `Integer`

`Integer` to `double`

`boolean` to `String`

`int` to `Integer`

In Java, which classes are used for autoboxing and unboxing operations?

Exception classes (e.g., `RuntimeException`)

Wrapper classes (e.g., `Integer`, `Double`)

Collection classes (e.g., `ArrayList`, `HashMap`)

Exception classes (e.g., `RuntimeException`)

Which operator is used for autoboxing and unboxing in Java?

`==`

`+`

`&`

`=`

JdbcTemplate that takes advantage of Java 1.5 features such as autoboxing, generics, and variable-length arguments to simplify its usage.

org.springframework.jdbc.core.JdbcTemplate

org.springframework.jdbc.core.simple.SimpleJdbcTemplate

org.springframework.jdbc.*

none of the mentioned

What is autoboxing in Java?

The automatic conversion of primitive types to their corresponding wrapper classes

The process of creating a new box

A feature for manually converting wrapper classes to primitive types

A feature for boxing objects

What is the primary benefit of autoboxing in Java?

It improves memory management

It reduces code complexity

It simplifies code by automatically converting between primitive types and their corresponding wrapper classes

It speeds up code execution

What is the Message is displayed in the applet made by the following Java program?

import java.awt.*;import java.applet.*;public class myapplet extends Applet{ public void paint(Graphics g) { g.drawString("A Simple Applet", 20, 20); }}

A Simple Applet

A Simple Applet 20 20

Compilation Error

Runtime Error

What is the length of the application box made by the following Java program?

import java.awt.*;import java.applet.*;public class myapplet extends Applet{ public void paint(Graphics g) { g.drawString("A Simple Applet", 20, 20); }}

100

System dependent

What is the length of the application box made the following Java program?

import java.awt.*;import java.applet.*;public class myapplet extends Applet{ Graphic g; g.drawString("A Simple Applet", 20, 20); }

Default value

Compilation Error

Runtime Error

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