Create a matrix with this template in java

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
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Create a matrix with this template in java.

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import java.util.Arrays;
import java.util.Objects;
import java.util.Scanner;
import java.util.StringJoiner;
public class main{
private static final int DIMENSION = 3; /* aim for 3 x 3 matrix: 3 rows and 3 columns */
/**
* Parses a matrix from a string.
* @param s The string to parse. It must consist only of numbers separated by spaces.
* The amount of numbers should be equal to {@code rowCount * columnCount}.
* @param rowCount the number of rows in the matrix.
* @param colCount the number of columns in the matrix.
* @return The matrix represented by the string.
*/
private static int[][] parseMatrix(String s, int rowCount, int colCount) {
/* fill in here */
return null; /* change this! return a 2D int[][] variable*/
}
/**
* Returns the matrix which is the result of the operation {@code op} on the
* matrices {@code a} and {@code b}.
* @param a The first matrix.
* @param b The second matrix.
* @param op The operation to perform. Must be one of {@code +}, {@code -}, {@code *}.
* @return The matrix which is the result of the operation.
*/
private static int[][] computeMatrixExpression(int[][] a, int[][] b, String op) {
/* fill in here */
return null; /* change this! return a 2D int[][] variable*/
}
/**
+ Converte a matniv to a string For a given matniv
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Transcribed Image Text:1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 @ D O-D -D -D Services import java.util.Arrays; import java.util.Objects; import java.util.Scanner; import java.util.StringJoiner; public class main{ private static final int DIMENSION = 3; /* aim for 3 x 3 matrix: 3 rows and 3 columns */ /** * Parses a matrix from a string. * @param s The string to parse. It must consist only of numbers separated by spaces. * The amount of numbers should be equal to {@code rowCount * columnCount}. * @param rowCount the number of rows in the matrix. * @param colCount the number of columns in the matrix. * @return The matrix represented by the string. */ private static int[][] parseMatrix(String s, int rowCount, int colCount) { /* fill in here */ return null; /* change this! return a 2D int[][] variable*/ } /** * Returns the matrix which is the result of the operation {@code op} on the * matrices {@code a} and {@code b}. * @param a The first matrix. * @param b The second matrix. * @param op The operation to perform. Must be one of {@code +}, {@code -}, {@code *}. * @return The matrix which is the result of the operation. */ private static int[][] computeMatrixExpression(int[][] a, int[][] b, String op) { /* fill in here */ return null; /* change this! return a 2D int[][] variable*/ } /** + Converte a matniv to a string For a given matniv ℗ 1 A 16 ||||||< Notifications
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}
/**
* Converts a matrix to a string. For a given matrix
* {@code [[1, 2, 3], [4, 5, 6], [7, 8, 9]]}, the string representation will be
* {@code "[1 2 3]\n[4 5 6]\n[7 8 9]"}.
*
* @param mat The matrix to convert.
* @return The string representation of the matrix.
*/
private static String matrixToString(int[][] mat) {
/* fill in here */
return null; /* change this! return a String */
}
/* main method. */
public static void main(String[] args) {
/* fill in here. Use the flow chart to lay out your plan! */
}
Transcribed Image Text:31 32 3 4 35 36 37 38 39 40 4 2 5 4 45 6 7 33 34 41 42 43 44 46 47 |= @ H Services } /** * Converts a matrix to a string. For a given matrix * {@code [[1, 2, 3], [4, 5, 6], [7, 8, 9]]}, the string representation will be * {@code "[1 2 3]\n[4 5 6]\n[7 8 9]"}. * * @param mat The matrix to convert. * @return The string representation of the matrix. */ private static String matrixToString(int[][] mat) { /* fill in here */ return null; /* change this! return a String */ } /* main method. */ public static void main(String[] args) { /* fill in here. Use the flow chart to lay out your plan! */ }
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