spring-boot-rest/java-math/src/test/java/com/baeldung/matrices/MatrixProvider.java

package com.baeldung.matrices;

import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;

@State(Scope.Benchmark)
public class MatrixProvider {
    private double[][] firstMatrix;
    private double[][] secondMatrix;

    public MatrixProvider() {
        firstMatrix =
          new double[][] {
            new double[] {1d, 5d},
            new double[] {2d, 3d},
            new double[] {1d ,7d}
          };

        secondMatrix =
          new double[][] {
            new double[] {1d, 2d, 3d, 7d},
            new double[] {5d, 2d, 8d, 1d}
          };
    }

    public double[][] getFirstMatrix() {
        return firstMatrix;
    }

    public double[][] getSecondMatrix() {
        return secondMatrix;
    }
}