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* 预编译 */ public El(CharSequence cs){ ShuntingYard sy = new ShuntingYard(); Queue<Object> rpn = sy.parseToRPN(cs.toString()); rc = new RPN(rpn); }
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return eval(null, val); } public static Object eval(Context context, String val) { ShuntingYard sy = new ShuntingYard(); RPN rc = new RPN(); Queue<Object> rpn = sy.parseToRPN(val); return rc.calculate(context, rpn); }
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*/ public El(CharSequence cs){ elstr = cs; ShuntingYard sy = new ShuntingYard(); Queue<Object> rpn = sy.parseToRPN(cs.toString()); rc = new RPN(rpn); }
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public class RPNTest extends TestCase { private RPN rPN; @Override protected void setUp() { rPN = new RPN(); }