@Test public void testCheckDimensions1() { MatrixChecker.checkDimensions( 2, 3); }
static void checkDimensions(int row, int col) { checkExpression(row > 0 && col > 0, "Row and column should be positive"); }
MatrixChecker { static void checkDimensions(int row, int col) { checkExpression(row > 0 && col > 0, "Row and column should be positive"); } }
MatrixChecker { static void checkDimensions(int row, int col) { checkExpression(row > 0 && col > 0, "Row and column should be positive"); }  }
MatrixChecker { static void checkDimensions(int row, int col) { checkExpression(row > 0 && col > 0, "Row and column should be positive"); }   }
MatrixChecker { static void checkDimensions(int row, int col) { checkExpression(row > 0 && col > 0, "Row and column should be positive"); }    }