fork download

copy

 
import java.util.Scanner;
 
/**
 *
 * ColumnSum
 *
 * @author JanaMorgan
 * @version 1.0, 11/21/2017
 *
 */
public class ColumnSum {
 
    /**
     *
     * Start ColumnSum Here
     *
     */
    public static void main(String[] args) {
        String usage = "usage: java ColumnSum n \n\twhere n is the column to add";
 
        //Make sure the user provides one integer
        //via the command line
        if (args.length != 1) {
            System.out.println(usage);
            System.exit(1);
        }
 
        int column = 0;
 
        // hard-coded input
        Scanner input = new Scanner(System.in);
        double[][] workHours = {{2, 4, 3, 4, 5, 8, 8},
        {7, 3, 4, 3, 3, 4, 4},
        {3, 3, 4, 3, 3, 2, 2},
        {9, 3, 4, 7, 3, 4, 1},
        {3, 5, 4, 3, 6, 3, 8},
        {3, 4, 4, 6, 3, 4, 4},
        {3, 7, 4, 8, 3, 8, 4},
        {6, 3, 5, 9, 2, 7, 9}};
 
        for (int i = 0; i < workHours.length; i++) {
            for (int j = 0; j < workHours[i].length; j++) {
                workHours[i][j] = input.nextDouble();
            }
        }
 
        for (int i = 0; i < workHours.length; i++) {
            System.out.printf("Sum of the elements at column" + i + "is "
                    + sumColumn(workHours, i));
 
        }
 
 
    public static double sumColumn(double[][] workHours, int columnIndex) {
        double sum = 0.0;
        for (int i = 0; i < workHours.length; i++) {
            sum = sum + workHours[i][j];
            System.out.println(workHours[i][j]);
            sum = sum + workHours[i][j];
        }
 
    }
 
    return sum ;
}
 
public static displayWorkHours(double [][] workHours){
        for (int row = i; i < workHours.length; i++) {
 
            for (int j = 0; j < workHours[i].length; j++) {
                System.out.println("%5.of", workHours[i][j]);
            }
 
        System.out.printf("\n");
        }
    }
}
 

Main.java:55: error: illegal start of expression
    public static double sumColumn(double[][] workHours, int columnIndex) {
    ^
Main.java:55: error: illegal start of expression
    public static double sumColumn(double[][] workHours, int columnIndex) {
           ^
Main.java:55: error: ';' expected
    public static double sumColumn(double[][] workHours, int columnIndex) {
                 ^
Main.java:55: error: '.class' expected
    public static double sumColumn(double[][] workHours, int columnIndex) {
                                              ^
Main.java:55: error: ';' expected
    public static double sumColumn(double[][] workHours, int columnIndex) {
                                                       ^
Main.java:55: error: ';' expected
    public static double sumColumn(double[][] workHours, int columnIndex) {
                                                                        ^
Main.java:68: error: invalid method declaration; return type required
public static displayWorkHours(double [][] workHours){
              ^
7 errors

Standard output is empty