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Pasted as Python by eu_nana ( 15 years ago )
import java.io.DataInputStream;

import java.io.File;
import java.io.FileInputStream;

public class Matriz {
  public static void main(String args[]) {

 double mat[][] =  new double[2][2];
 //double[][][][] mat;


    // o resultado da leitura estará na matriz mat;
 mat=lerArquivoBin("C:/Documents and Settings/Web/IDLWorkspace/Projeto_Estudo/mat.bin");


    
  // imprimindo a matriz mat
     for(int i=0; i< 2; i++) {
           for(int j=0; j< 2; j++) {
                   //System.out.println("O valor da "+ aux[0][0]);
            }
       }
        
}    

  
  public static double[][] lerArquivoBin(String origem)
  {
  double aux[][] = new double[2][2];
  //double[][][][] aux;
     try{
         File fileOrigin = new File&#40;origem&#41;;
         DataInputStream in = new DataInputStream(new FileInputStream(fileOrigin));
         
         //final int x = in.readInt();  
        // final int y = in.readInt();  
        // aux = new double[4][x][x][y];
         
         for(int i=0; i< 2; i++) {
             for(int j=0; j< 2; j++) {
                 aux[j][i] = (double)in.readDouble();
                 System.out.print(" " + aux[i][j]);
             }
         }
         System.out.println("O valor da posicao aux[0][0] na matriz aux  "+ aux[0][0]);
         System.out.println("O valor da posicao aux[0][1] na matriz aux  "+ aux[0][1]);
         System.out.println("O valor da posicao aux[1][0] na matriz aux  "+ aux[1][0]);
         System.out.println("O valor da posicao aux[1][1] na matriz aux  "+ aux[1][1]);
         
         in.close();
     }catch(Exception e){
         System.out.println("Erro ao ler arquivo: "+origem);
         //aux = null;
     }
     return(aux);
     

  }
}

 

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