Complete the following program to print the values of each inner array in a single line? (Note: Don't forget to use appropriate initialization, condition, and post iteration statement in the loop header) public class Mainclass { public static void main(String[] args) { int[][] a = { {1,2,3}, {1}, {1,2,3,4,5,6,7}, {1,2}, {1,2,3,4,5,6,7,8,9,10,11,12} }; for( ; ; ) { for( ; ; ) { } System.out.println();

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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4. Answer the following questions based on your understanding on arrays.
[C
a) Complete the following program to print the values of each inner array in a
single line? (Note: Don't forget to use appropriate initialization, condition,
and post iteration statement in the loop header)
public class Mainclass {
public static void main(String[] args) {
int[][] a = {
{1,2,3},
{1},
{1,2,3,4,5,6,7},
{1,2},
{1,2,3,4,5,6,7,8,9,10,11,12}
};
for( ; ; ) {
for( ; ; ) {
}
System.out.println();
}
b) Suppose that you are developing a data mining algorithm that stores 4GB
input dataset in an array. After removing the unnecessary attributes and
outliers in the preprocessing stage, the size of the dataset becomes 2GB,
which is also stored in an array. The size of the final results from the mining
algorithm could be 3GB and should be stored in another array. However, the
size of heap is 7GB, which is not enough to store the final results since the
input and preprocessed dataset have already occupied 4GB+2GB. Find a
solution to accommodate all results of the mining algorithm without
increasing the heap size.
Transcribed Image Text:4. Answer the following questions based on your understanding on arrays. [C a) Complete the following program to print the values of each inner array in a single line? (Note: Don't forget to use appropriate initialization, condition, and post iteration statement in the loop header) public class Mainclass { public static void main(String[] args) { int[][] a = { {1,2,3}, {1}, {1,2,3,4,5,6,7}, {1,2}, {1,2,3,4,5,6,7,8,9,10,11,12} }; for( ; ; ) { for( ; ; ) { } System.out.println(); } b) Suppose that you are developing a data mining algorithm that stores 4GB input dataset in an array. After removing the unnecessary attributes and outliers in the preprocessing stage, the size of the dataset becomes 2GB, which is also stored in an array. The size of the final results from the mining algorithm could be 3GB and should be stored in another array. However, the size of heap is 7GB, which is not enough to store the final results since the input and preprocessed dataset have already occupied 4GB+2GB. Find a solution to accommodate all results of the mining algorithm without increasing the heap size.
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