TestEntry te = new TestEntry("5 + externalfunction(TST1,TST2,TST3)", 11);
String s = te.expression;
Object r = te.result;
ArrayList l=new ArrayList();
l.add(new ExternalFunctionTest());
Map m=new TreeMap();
m.put("TST1", 1);
m.put("TST2", 2);
m.put("TST3", 3);