A公司解散时，成立了清算组，清算组有权以A公司名义起诉、应诉。（)A．正确B．错误

A．①②③

B．①② ④⑥

C．①② ⑤⑥

D．① ④⑤

运行以下代码: class A{ public void baz(){ System.out.println(“A”); } } public class B extends A｛ public static void main(String[] args){ A a=new B(); a.baz(); } public void baz(){ System.out.println(“B”); } } 运行结果是（）。

A、A

B、B

C、编译出错

D、抛出一个异常

A、public abstract final class Test {abstract void method();}

B、public abstract class Test {abstract final void method();}

C、public abstract class Test {abstract void method() {}}

D、public class Test {final void method() {}}

public class A { public void draw(){System.out.println(“NO？”)}};} class B extends A { public void draw(){ System.out.println(“YES!”)};} A a=new B(); a.draw(); 输出结果是__________，最后两条语句程序体现了java的__________性质。

public void sound(){ System.out.println("This is parent class."); } } class Dogs extends Animals{ public void sound(){ System.out.println("Dogs bark"); } } class m{ public static void main(String[] args){ Dogs d = new Dogs(); d.sound(); } } 输出是 Dogs bark

11.class Snoochy{12.Boochybooch；13.public Snoochy（）{booch=newBoochy（this）；}14.}15.16.class Boochy{17.Snoochy snooch；18.public Boochy（Snoochys）{snooch=s；}19.}And the statements：21.public static void main（String[]args）{22.Snoochy snoog=new Snoochy（）；23.snoog=null；24.//more code here25.}Which statement is true about the objects referenced by snoog，snooch，and booch immediately after line 23 executes？（）

A.None of these objects are eligible for garbage collection.

B.Only the object referenced by booch is eligible for garbage collection.

C.Only the object referenced by snoog is eligible for garbage collection.

D.Only the object referenced by snooch is eligible for garbage collection.

E.The objects referenced by snooch and booch are eligible for garbage collection.

11.rbo = new ReallyBigObject（）；12.//more code here13.rbo = null；14./*insert code here*/Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the objectrbo？（）

A.System.gc（）；

B.Runtime.gc（）；

C.System.freeMemory（）；

D.Runtime.getRuntime（）.growHeap（）；

E.Runtime.getRuntime（）.freeMemory（）；

A.any class

B.only the Target class

C.any class in the test package

D.any class that extends Target

Given classes defined in two different files：1.package util；2.public class BitUtils{3.private static void process（byte[]b）{}4.}1.package app；2.public class SomeApp{3.public static void main（String[]args）{4.byte[]bytes=newbyte[256]；5.//insert code here6.}7.}What is required at line 5 in class SomeApp to use the process method of BitUtils？（）

A.process（bytes）；

B.BitUtils.process（bytes）；

C.app.BitUtils.process（bytes）；

D.util.BitUtils.process（bytes）；

E.importutil.BitUtils.*；process（bytes）；

F.SomeApp cannot use the process method in BitUtils.

GivenafileGrizzlyBear.java：1.package animals.mammals；2.3.public class GrizzlyBear extends Bear{4.voidhunt（）{5.Salmons=findSalmon（）；6.s.consume（）；7.}8.}and another file，Salmon.java：1.packageanimals.fish；2.3.public class Salmon extends Fish{4.voidconsume（）{/*dostuff*/}5.}Assume both classes are defined in the correct directories for theft packages，and that the Mammal class correctly defines the findSalmon（）method.Which two changes allow this code to compile correctly？（）

A.add public to the start of line 4 in Salmon.java

B.add public to the start of line 4 in GrizzlyBear.java

C.add import animals.mammals.*；at line 2 in Salmon.java

D.add import animals.fish.*at line 2 in GrizzlyBear.java

E.add import animals.fish.Salmon.*；at line 2 in GrizzlyBear.java

F.add import animals.mammals.GrizzlyBear.*；at line 2 in Salmon.java