Lista de Exercícios – Vetores em Java - Parte I
Quiz
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Information Technology (IT)
•
University
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Practice Problem
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Medium
Evelyn Cid
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é um vetor (array) em programação?
Uma variável que armazena apenas um valor por vez
Uma estrutura que armazena dados de diferentes tipos
Uma estrutura que armazena dados do mesmo tipo em uma única variável indexada
Uma tabela de dados com linhas e colunas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em Java, como se declara corretamente um vetor de 10 inteiros?
int vetor = [10];
int vetor[10];
int[] vetor = new int[10];
vetor int = new vetor[10];
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um vetor int[] numeros = new int[5]; foi declarado, qual será o índice do primeiro elemento?
1
0
5
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o índice do último elemento de um vetor com 7 posições?
6
7
5
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções declara um vetor de Strings com 5 posições?
String vetor = new String(5);
String[5] vetor;
String[] vetor = new String[5];
vetor String = [5];
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado int[] v = {10, 20, 30, 40, 50};, qual o valor de v[2]?
10
20
30
40
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se String[] meses = {"Jan", "Fev", "Mar", "Abr"};, qual instrução imprime "Fev"?
System.out.println(meses[1]);
System.out.println(meses[2]);
System.out.println(meses[0]);
System.out.println(meses[3]);
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