Understanding Strings and Arrays

Understanding Strings and Arrays

University

32 Qs

quiz-placeholder

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Understanding Strings and Arrays

Understanding Strings and Arrays

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

Rod Puyat

Used 19+ times

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32 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process of combining more than one string together known as?

Concatenation

Separation

Division

Multiplication

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the algorithm to concatenate two strings without using any inbuilt methods?

CONCATENATE (STR1, STR2, STR3)

JOIN (STR1, STR2)

MERGE (STR1, STR2)

LINK (STR1, STR2)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a multidimensional array?

An array of arrays

A single-dimensional array

A string array

An object array

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you create a two-dimensional array in Java?

data_type[1st dimension][2nd dimension][]..[Nth dimension] array_name = new data_type[size1][size2]....[sizeN];

data_type[array_name][size];

array_name[data_type][size];

data_type[size][array_name];

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a two-dimensional array represent?

A table with rows and columns

A single list of items

A string of characters

A collection of objects

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of a 2D array specified by?

rows and columns

length and width

height and depth

size and capacity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you access an element in a two-dimensional array in Java?

array_name[row_index][column_index];

array_name[column_index];

array_name[column_index][row_index];

array_name[row_index];

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