Java Programming for Complete Beginners - Java 16 - Step 09 - Exploring New Java API - Files - readString and writeStrin

Java Programming for Complete Beginners - Java 16 - Step 09 - Exploring New Java API - Files - readString and writeStrin

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial introduces file-related methods introduced in JDK 11, specifically 'readString' and 'writeString'. It demonstrates creating a Java class, reading from a sample text file, handling IO exceptions, and writing modified content to a new file. The tutorial highlights the ease of file operations with these methods, emphasizing their use of UTF-8 encoding by default.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two file-related methods introduced in JDK 11?

readData and writeData

readText and writeText

readFile and writeFile

readString and writeString

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which package is the new Java class created?

API.dot.S

API.dot.P

API.dot.Q

API.dot.R

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in reading a file in Java?

Initialize a file reader

Create a path variable

Open the file directly

Use a scanner object

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which exception is handled when reading a file in Java?

FileNotFoundException

NullPointerException

IOException

ArrayIndexOutOfBoundsException

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to replace text in a string in Java?

change

replace

substitute

modify

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What encoding does the 'readString' method use by default?

UTF-8

UTF-16

ASCII

ISO-8859-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of using 'readString' and 'writeString' methods?

Faster file processing

Ease of reading and writing strings to files

Better error handling

Support for multiple file formats

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