#BlueJ class context comment0.params= comment0.target=CalcEngineTester() comment0.text=\n\ Constructor\ for\ objects\ of\ class\ CalcEngineTester\n comment1.params= comment1.target=void\ testAll() comment1.text=\n\ Test\ everything.\n comment2.params= comment2.target=int\ testPlus() comment2.text=\n\ Test\ the\ plus\ operation\ of\ the\ engine.\n\ @return\ the\ result\ of\ calculating\ 3+4.\n comment3.params= comment3.target=int\ testMinus() comment3.text=\n\ Test\ the\ minus\ operation\ of\ the\ engine.\n\ @return\ the\ result\ of\ calculating\ 9\ -\ 4.\n numComments=4