Aprogrammerneedstocreatealoggingmethodthatcanacceptanarbitrarynumberofarguments.Forexample,itmaybecalledintheseways:logIt(”logmessage1);logIt(”logmessage2”,”logmessage3”);logIt(”logmessage4”,logmessage5”,logmessage6);Whichdeclarationsatisfiesthisrequirement?()
A. publicvoidlogIt(String*msgs)
B. publicvoidlogIt(String[]msgs)
C. publicvoidlogIt(String...msgs)
D. publicvoidlogIt(Stringmsg1,Stringmsg2,Stringmsg3)
publicclassBall{publicenumColor{RED,GREEN,BLUE};publicvoidfoo(){//insertcodehere{System.out.println(c);}}}Whichcodeinsertedatline14causesthefoomethodtoprintRED,GREEN,andBLUE?()
A. for(Colorc:Color.values())
B. for(Colorc=RED;c<=BLUE;c++)
C. for(Colorc;c.hasNext();c.next())
D. for(Colorc=Color[0];c<=Color[2];c++)
E. for(Colorc=Color.RED;c<=Color.BLUE;c++)
下面不属于笛卡尔形而上学体系的原理的有()
A. 我思故我在
B. 上帝存在
C. 物质世界存在
D. 重视经验的作用
publicabstractclassShape{intx;inty;publicabstractvoiddraw();publicvoidsetAnchor(intx,inty){this.x=x;this.y=y;}}andaclassCirclethatextendsandfullyimplementstheShapeclass.Whichiscorrect?()
A. Shapes=newShape();s.setAnchor(10,10);s.draw();
B. Circlec=newShape();c.setAnchor(10,10);c.draw();
C. Shapes=newCircle();s.setAnchor(10,10);s.draw();
D. Shapes=newCircle();s->setAnchor(10,10);s->draw();
E. Circlec=newCircle();c.Shape.setAnchor(10,10);c.Shape.draw();