
Quiz de Java: Fundamentos Básicos

Quiz
•
Information Technology (IT)
•
University
•
Easy

CRISTINA CO
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a sintaxe correta para declarar uma variável inteira em Java?
`int numero = 10;`
`integer numero = 10;`
`num numero = 10;`
`int: numero = 10;`
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual dos seguintes é um tipo de dado primitivo em Java?
`String`
`boolean`
`ArrayList`
`HashMap`
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a estrutura de controle usada para repetir um bloco de código enquanto uma condição for verdadeira?
`if`
`switch`
`while`
`try`
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Como você acessa o terceiro elemento de um array chamado `numeros` em Java?
`numeros[2]`
`numeros[3]`
`numeros(3)`
`numeros{2}`
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a palavra-chave usada para tratar exceções em Java?
`catch`
`throw`
`try`
`finally`
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a saída do seguinte código Java? ```java int a = 5; int b = 10; System.out.println(a + b); ```
`15`
`510`
`5 + 10`
`Erro de compilação`
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o tipo de dado primitivo usado para representar números de ponto flutuante em Java?
`int`
`double`
`char`
`boolean`
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