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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. // your code goes here
  13. int[][] matriz = new int[][]{
  14. {1, 2, 3},
  15. {4, 5, 6},
  16. {7, 8, 9}
  17. };
  18.  
  19. int[] vetor = new int[]{1, 2, 3};
  20. int[] resultado = new int[vetor.length];
  21.  
  22. for (int i = 0; i < matriz.length; i++) {
  23. for (int j = 0; j < matriz[i].length; j++) {
  24. resultado[i] += matriz[i][j] * vetor[i];
  25. }
  26. }
  27.  
  28. System.out.println(Arrays.toString(resultado));
  29. }
  30. }
Success #stdin #stdout 0.06s 32432KB
stdin
Standard input is empty
stdout
[6, 30, 72]