新大陆java工程师试卷

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1、YW2010-JavaJava软件工程师试卷B（2014）考生必读：请勿在本试卷中涂写，答案写在答题卷中考试时间90分钟1选择题（每题2分）1.1JAVA/JSP编程部分1、Given:publicclassPass{publicstaticvoidmain(String[]args){intx=5;Passp=newPass();p.doStuff(x);System.out.print(”mainx=“+x);}voiddoStuff(intx){System.out.print(”doStuffx=“+x+

2、+);}}Whatistheresult?A.Compilationfails.B.Anexceptionisthrownatruntime.C.doStuffx=6mainx=6D.doStuffx=5mainx=5E.doStuffx=5mainx=6F.doStuffx=6mainx=52、Given:classTestA{publicvoidstart(){System.out.println(”TestA”);}}publicclassTestBextendsTestA{publicvoidstart(

3、){System.out.println(”TestB”);}publicstaticvoidmain(String[]args){((TestA)newTestB()).start();}}共12页注意保密严禁公开第12页YW2010-JavaWhatistheresult?A.TestAB.TestBC.Compilationfails.D.Anexceptionisthrownatruntime.1、Given:publicclassTest{publicstaticvoidmain(String[]arg

4、s){intx=5;booleanb1=true;booleanb2=false;if((x==4)&&!b2)System.out.print(”l“);System.out.print(”2“);if((b2=true)&&b1)System.out.print(”3“);}}Whatistheresult?A.2B.3C.12D.23E.123F.Compilationfails.G.Auexceptionalisthrownatruntime.2、WhichManclassproperlyrepresen

5、tstherelationship“ManhasabestfriendwhoisaDog”?A.classManextendsDog{}B.classManimplementsDog{}C.classMan{privateBestFrienddog;}D.classMan{privateDogbestFriend;}E.classMan{privateDog}F.classMan{privateBestFriend}3、Given:classOne{publicOne(){Sys

6、tem.out.print(1);}}classTwoextendsOne{publicTwo(){System.out.print(2);}}共12页注意保密严禁公开第12页YW2010-JavaclassThreeextendsTwo{publicThree(){System.out.print(3);}}publicclassNumbers{publicstaticvoidmain(String[]argv){newThree();}}Whatistheresultwhenthiscodeisexecute

7、d?A.1B.3C.123D.321E.Thecoderunswithnooutput.1、Given:classLine{publicstaticclassPoint{}}classTriangle{//insertcodehere}Whichcode,insertedatline6,createsaninstanceofthePointclassdefinedinLine?A.Pointp=newPoint();B.Line.Pointp=newLine.Point();C.ThePointclasscann

8、otbeinstatiatedatline15.D.Line1=newLine();1.Pointp=new1.Point();2、Howcanyouforcegarbagecollectionofanobject?a、Garbagecollectioncannotbeforcedb、CallSystem.gc().c、CallSystem.gc(),passingina