In Java, which of the following is an example of autounboxing?

`String text = "Hello";`

`int value = Integer.parseInt("42");`

`Double result = 3.14;`

`String text = "Hello";`

In Java, which of the following is an example of autounboxing? Correct Answer `int value = Integer.parseInt("42");`

মোঃ আরিফুল ইসলাম

Feb 20, 2025

Related Questions

In Java, which method can be used to perform autounboxing?

`.valueOf()`

`.equals()`

`.intValue()`

`.compareTo()`

What is autounboxing in Java?

The automatic conversion of wrapper classes to their corresponding primitive types

The process of converting a string to an integer

A feature for boxing objects

A feature for manually converting wrapper classes to primitive types

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

What is the length of the application box made in 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

What is the length of the application box made in 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

A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java -classpath /test:/home/bob/downloads/*.jar games.Chess Bob's CLASSPATH is set (at login time) to: /usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?

\/test\/Chess.class

\/home\/bob\/Chess.class

\/test\/games\/Chess.class

\/user\/lib\/games\/Chess.class

What will be the output of the following Java program? class test {public static void main (String args [ ]) { System.out.println(20 + 30 + "Java"); System.out.println("Java" + 20 + 30); } }

50 Java

Java 20 30

20 30 Java

Java 50

2030Java

Java50

50Java

Java2030

Consider the following code snippet var f = new java.io.File("/tmp/test"); var out = new java.io.FileWriter(f); out instanceof java.io.Reader What will be the output for the above code snippet?

Error

True

Exception

False

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