Programming and Problem Solving with Java

CASE STUDY^617

Matrix one = newMatrix(data1);

Matrix two = newMatrix(data2);

Matrix three = newMatrix(data3);

Matrix four = newMatrix(data4);

try

{

outFile.println("Matrix one:");

one.printMatrix(outFile);

outFile.println("Matrix two:");

two.printMatrix(outFile);

outFile.println("Result of adding one and two:");

result = one.add(two);

result.printMatrix(outFile);

outFile.println("Result of subtracting two from one:");

result = one.sub(two);

result.printMatrix(outFile);

outFile.println("Matrix three:");

three.printMatrix(outFile);

outFile.println("Matrix four:");

four.printMatrix(outFile);

outFile.println("Result of multiplying three by four:");

result = three.multiply(four);

result.printMatrix(outFile);

outFile.println("Result of multiplying four by three:");

result = four.multiply(three);

}

catch(MatException except)

{

outFile.println(except.getMessage());

}