
Java String and Character Processing Quiz
Authored by CLEINECIR ANTUNES
Science
6th Grade
Used 1+ times

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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o principal objetivo das capacidades de processamento de String e Character em Java discutidas no capítulo?
Validar a entrada do programa, exibir informações e manipular texto
Criar gráficos e animações
Gerenciar conexões de rede
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais classes Java são mencionadas como fornecedoras de funcionalidades para expressões regulares?
Matcher e Pattern
Scanner e Formatter
ArrayList e HashMap
File e InputStream
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é um literal de string em Java?
Uma sequência de caracteres entre aspas duplas
Um número sem aspas
Um único caractere entre aspas simples
Um valor booleano
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas a seguir é um exemplo de literal de caractere em Java?
'z'
"z"
123
true
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que a classe String em Java é considerada eficiente em termos de memória?
Porque permite múltiplas referências ao mesmo objeto
Porque comprime os dados automaticamente
Porque usa menos poder de CPU
Porque armazena os dados em formato binário
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor da variável String após a seguinte declaração: String color = "blue";?
"blue"
"color"
null
"String"
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes NÃO é um método mencionado para a classe StringBuilder?
sortChars
append
setCharAt
ensureCapacity
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