Fundamentals Of Object-Oriented Programming: Java and IntelliJ - Strings

Fundamentals Of Object-Oriented Programming: Java and IntelliJ - Strings

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial provides an in-depth look at the string data type in Java. It covers declaring and printing string variables, using methods like length and concat, comparing strings, handling quotes within strings, and using the new operator to declare strings. Additionally, it demonstrates formatted printing using the printf method, highlighting the use of placeholders for different data types.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial value assigned to the string variable 'movie code'?

Winter is coming

Summer is here

Spring has sprung

Autumn leaves fall

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to determine the length of a string in Java?

length()

measure()

count()

size()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the concat method do in Java?

Joins two strings together

Splits a string into an array

Converts a string to uppercase

Reverses a string

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of comparing two different strings using the equals method?

true

null

undefined

false

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you include double quotes within a string in Java?

Using a forward slash before the quote

Using a backslash before the quote

Using double double quotes

Using single quotes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyword is used to declare a new string object in Java?

new

create

define

init

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the printf method in Java?

To print a string in uppercase

To print a string in reverse

To print a string with formatting

To print a string without formatting

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