• 2022-06-11 问题

    下面哪些语法结构是不正确的( ) A: public class A extends B implements C B: public class A implement A B C: public class A implements B,C,D D: public class A implements B

    下面哪些语法结构是不正确的( ) A: public class A extends B implements C B: public class A implement A B C: public class A implements B,C,D D: public class A implements B

  • 2022-06-29 问题

    下面语句中,正确的是() A: public.class.AddAction.implements.Action{... B: mapping.findForward("/ch01/result.jsp") C: form.method="get"action="add.do" D: action.name="addAction"path="/add"type="com.svse.web.action.AddAction"

    下面语句中,正确的是() A: public.class.AddAction.implements.Action{... B: mapping.findForward("/ch01/result.jsp") C: form.method="get"action="add.do" D: action.name="addAction"path="/add"type="com.svse.web.action.AddAction"

  • 2022-06-07 问题

    下列关于Test类的定义代码中,正确的是______。 A: class Test implements Runnable { public void run() {} public void someMethod() {} } B: class Test implements Runnable { public void run(); } C: class Test implements Runnable { public void someMethod(); } D: class Test implements Runnable { public void someMethod() {} }

    下列关于Test类的定义代码中,正确的是______。 A: class Test implements Runnable { public void run() {} public void someMethod() {} } B: class Test implements Runnable { public void run(); } C: class Test implements Runnable { public void someMethod(); } D: class Test implements Runnable { public void someMethod() {} }

  • 2022-07-25 问题

    A类同时实现接口B和接口C,正确的写法是: A: public class A implements B, implements C {...} B: public class A implements B, C {...} C: public class A interface B, iinterface C {...} D: public class A extends B, C {...}

    A类同时实现接口B和接口C,正确的写法是: A: public class A implements B, implements C {...} B: public class A implements B, C {...} C: public class A interface B, iinterface C {...} D: public class A extends B, C {...}

  • 2022-10-24 问题

    假设C和D是接口,下列定义哪个是正确的() A: public class A implements C,D{ } B: public class A implements C implements D{ } C: public class A extends C,D{ } D: public class A extends C extends D{ }

    假设C和D是接口,下列定义哪个是正确的() A: public class A implements C,D{ } B: public class A implements C implements D{ } C: public class A extends C,D{ } D: public class A extends C extends D{ }

  • 2022-06-17 问题

    下列哪个方法可用于创建一个可运行的类X? A: public class X implements Runnable{ public void run(){......} } B: public class X implements Thread{ public void run(){......} } C: public class X implements Thread{ public int run(){......} } D: public class X extends Runnable{ public void run(){......} }

    下列哪个方法可用于创建一个可运行的类X? A: public class X implements Runnable{ public void run(){......} } B: public class X implements Thread{ public void run(){......} } C: public class X implements Thread{ public int run(){......} } D: public class X extends Runnable{ public void run(){......} }

  • 2022-06-16 问题

    给定代码如下: public abstract interface Frobnicate { public void twiddle(String s); } 以下哪个类是正确的?(). A: public abstract class Frob implements Frobnicate { public abstract void twiddle(String s) { } } B: public abstract class Frob implements Frobnicate { } C: public class Frob extends Frobnicate { public void twiddle(Integer i) { } } D: public class Frob implements Frobnicate { public void twiddle(Integer i) { } }

    给定代码如下: public abstract interface Frobnicate { public void twiddle(String s); } 以下哪个类是正确的?(). A: public abstract class Frob implements Frobnicate { public abstract void twiddle(String s) { } } B: public abstract class Frob implements Frobnicate { } C: public class Frob extends Frobnicate { public void twiddle(Integer i) { } } D: public class Frob implements Frobnicate { public void twiddle(Integer i) { } }

  • 2022-06-17 问题

    下列哪个方法可用于创建一个可运行的类() A: public class X implements Runnable{public void run() {……}} B: public class X extends Thread{public void run() {……}} C: public class X extends Thread{public int run() {……}} D: public class X implements Runnable{protected void run() {……}}

    下列哪个方法可用于创建一个可运行的类() A: public class X implements Runnable{public void run() {……}} B: public class X extends Thread{public void run() {……}} C: public class X extends Thread{public int run() {……}} D: public class X implements Runnable{protected void run() {……}}

  • 2022-07-27 问题

    (1+X)假设 C 是抽象类,I1 和 I2 是接口。下列关于抽象类或接口的定义,哪一个是正确的( )。 A: public class A extends C implements I1,I2{} B: public class A extends I1,I2 implements C{} C: public class A implements I1,I2 extends C {} D: public class A extends C, I1, I2 {}

    (1+X)假设 C 是抽象类,I1 和 I2 是接口。下列关于抽象类或接口的定义,哪一个是正确的( )。 A: public class A extends C implements I1,I2{} B: public class A extends I1,I2 implements C{} C: public class A implements I1,I2 extends C {} D: public class A extends C, I1, I2 {}

  • 2022-07-27 问题

    假设C是抽象类,I1和I2是接口。下列关于抽象类或接口的定义,哪一个是正确的? A: public class A extends C implements I1,I2{} B: public class A extendsI1,I2 implements C{} C: public class AimplementI1,I2extends C{} D: public class A extends C,I1,I2{}

    假设C是抽象类,I1和I2是接口。下列关于抽象类或接口的定义,哪一个是正确的? A: public class A extends C implements I1,I2{} B: public class A extendsI1,I2 implements C{} C: public class AimplementI1,I2extends C{} D: public class A extends C,I1,I2{}

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