Java - Revisão I

Java - Revisão I

University

20 Qs

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Java - Revisão I

Java - Revisão I

Assessment

Quiz

Computers

University

Practice Problem

Hard

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual a sintaxe para criar um array de 5 Strings?

String meuArray = new String[5];

String[] meuArray = new String[5];

String[5] meuArray = new String[];

String[5] meuArray = new String[5];

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual a sintaxe para criar um array de inteiros com 3 valores iniciais?

int[] meuArray = [1, 5, 3];

int[] meuArray = {1, 5, 3};

int meuArray = {1, 5, 3};

int[3] meuArray = {1, 5, 3};

int[3] meuArray = [1, 5, 3];

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Como importar o ArrayList para dentro do escopo do programa?

import java.util.ArrayList;

import java.Array.List;

import java.ArrayList;

import ArrayList;

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Como criar um ArrayList de booleanos:

ArrayList<Boolean> meuArrayList = new ArrayList<Boolean>();

ArrayList<boolean> meuArrayList = ArrayList<boolean>();

ArrayList<Boolean> meuArrayList = new ArrayList<Boolean>;

ArrayList<boolean> meuArrayList = new ArrayList<boolean>;

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dado o Array meuArray, como adicionar um valor x dentro do index i?

meuArray.set(i, x);

meuArray.get(i, x);

meuArray[i] = x;

meuArray.get(i) = x;

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dado o ArrayList meuArrayList, como adicionar um valor x dentro do index i?

meuArrayList.set(i, x);

meuArrayList.get(i, x);

meuArrayList[i] = x;

meuArrayList.get(i) = x;

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dado um array de inteiros meuArray, como iterar sobre os seus elementos?

for(int x : meuArray) {}

for(int x : int[] meuArray) {}

for(x : meuArray) {}

for(x : int[] meuArray) {}

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