Answered: public static int…

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

Problem 1PE

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Ok so I have been working on these two methods( I put my code in the screen shots) getLowestColumnINdex and getLowestRowIndex

getLowestInColumnIndex

public static int getLowestInColumnIndex(double[][] data,

int col)

Returns the index of the smallest element of the selected column in the two dimensional array index 0 refers to the first column. If a row in the two dimensional array doesn't have this column index, it is not an error, it doesn't participate in this method

getLowestInRowIndex

public static int getLowestInRowIndex(double[][] data,

int row)

Returns the index of the smallest element of the selected row in the two dimensional array index 0 refers to the first row.

public static int getLowestInColumnIndex(double[] [] data, int col){
double min =data (0] [col] ;
int location = -1;
for(int i =0; i<data. length; i++) {
if(col>= 0 && col<data[i].length)
if(min>data[i] [col]) {
min = data[i] [col);
location = i;
return location;

public static int getLowestInRowIndex(double[][] data, int row) {
double min = data[row] [0];
int location = 0;
for(int col = 1; col<data[row]. length; col++) {
if(min>data(row] [col]) {
location = col;
return location;

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