资产新规规定:“卖者尽责、买者自负”的理念,打破刚性兑付。()
A. 对
B. 错
下面_________正确注册一个处理器handler到按钮btOK上?
A. btOK.setOnAction(e->System.out.println("Handletheevent"));
B. btOK.setOnAction((e)->System.out.println("Handletheevent"));
C. btOK.setOnAction((ActionEvente)->System.out.println("Handletheevent"));
D. btOK.setOnAction(e->{System.out.println("Handletheevent");});
划线处填写代码。下列选项正确的是?publicclassTest{publicstaticvoidmain(String[]args){Testtest=newTest();System.out.println(test.setAction3(_____________));}publicdoublesetAction3(T3t){returnt.m(5.5);}}interfaceT3{publicdoublem(Doubled);}
A. ()->e*2
B. (e)->e*2
C. e->e*2
D. (e)->{e*2;}