判断题abstract的method可以同时是static。A对B错
判断题
abstract的method可以同时是static。
A
对
B
错
参考解析
解析:
暂无解析
相关考题:
下面()陈述是错误的。 A、一个实例方法可以同时为Pronteceted和abstract类型B、static变量也可以是final类型C、static方法也可以是Protected类型D、final方法也可以是abstract类型
下列关于修饰符混用的说法,错误的是( )。A.abstract不能与final并列修饰同一个类B.abstract类中不可以有private的成员C.abstract方法必须在abstract类中D.static方法中能处理非static的属性
分析下面程序,哪一行代码能正确赋值?()class Demo {public void method() {final int num1 = 10;static int num2 = 20;abstract int num3 = 30;private int num4 = 40;}} A.final int num1 = 10;B.static int num2 = 20;C.abstract int num3 = 30;D.private int num4 = 40;
指出下面哪一项是在抽象类中声明一个抽象方法。( )A.public abstract method();B.public abstract void method();C.public void abstract Method();D.public void method(){abstract;}
设有程序如下: abstract class absclass { abstract void method1(); } class conclass extends absclass { public void method1() { System.out.println("子类");} } public class mainclass { public static void main(String args[]) { absclass ac1=new absclass(); //语句1 absclass ac2=new conclass(); //语句2 ac2.method1(); //语句3 } } 则main()方法中的第一条语句(即语句1)可以顺利通过编译。()此题为判断题(对,错)。
下列关于修饰符混用的说法,错误的是()。A、abstract不能与final并列修饰同一个类B、abstract类不能有自己的构造方法C、abstract方法所在的类必须是abstract类D、static方法中能处理非static的属性
Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class?() A、 Abstract public void methoda();B、 Public abstract double methoda();C、 Static void methoda(double d1){}D、 Public native double methoda(){}E、 Protected void methoda(double d1){}
Which will declare a method that is available to all members of the same package and be referenced without an instance of the class?()A、 abstract public void methoda ();B、 public abstract double inethoda ();C、 static void methoda (double dl) {}D、 public native double methoda () {}E、 protected void methoda (double dl) {}
Which two declarations prevent the overriding of a method? ()A、 Final void methoda(){}B、 Void final methoda(){}C、 Static void methoda(){}D、 Static final void methoda(){}E、 Final abstract void methoda(){}
Which will declare a method that forces a subclass to implement it? () A、 Public double methoda();B、 Static void methoda (double d1) {}C、 Public native double methoda();D、 Abstract public void methoda();E、 Protected void methoda (double d1){}
为AB类的一个无形式参数无返回值的方法method书写方法头,使得使用类名AB作为前缀就可以调用它,该方法头的形式为()A、 static void method( )B、 public void method( )C、 final void method( )D、 abstract void method( )
关于abstract不能和哪些关键字共用正确的是()A、abstract不可以和private共用B、abstract不可以和static共用C、abstract不可以和final共用D、abstract不可以和public共用
M类中有一个没有形式参数,且没有返回值的方法method,若要使得用M.method()就可以调用该方法,则method方法的方法头的正确形式应该是()。A、static void method()B、public method()C、final void method()D、static method()
以下声明合法的是()A、default String sB、public final static native int w( )C、abstract double dD、abstract final double hyperbolicCosine( )
下列是抽象类的声明的是()A、 abstract class figure{ }B、 class abstract figure{ }C、 seald class figure{ }D、 static class figure{ }
多选题Which three statements are true?()AA final method in class X can be abstract if and only if X is abstract.BA protected method in class X can be overridden by any subclass of X.CA private static method can be called only within other static methods in class X.DA non-static public final method in class X can be overridden in any subclass of X.EA public static method in class X can be called by a subclass of X without explicitly referencing the class X.FA method with the same signature as a private final method in class X can be implemented in a subclass of X.GA protected method in class X can be overridden by a subclass of X only if the subclass is in the same package as X.
单选题Which will declare a method that forces a subclass to implement it? ()A Public double methoda();B Static void methoda (double d1) {}C Public native double methoda();D Abstract public void methoda();E Protected void methoda (double d1){}
单选题Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class?()A Abstract public void methoda();B Public abstract double methoda();C Static void methoda(double d1){}D Public native double methoda() {}E Protected void methoda(double d1) {}
单选题Which will declare a method that is available to all members of the same package and be referenced without an instance of the class?()A abstract public void methoda ();B public abstract double inethoda ();C static void methoda (double dl) {}D public native double methoda () {}E protected void methoda (double dl) {}
单选题为AB类的一个无形式参数无返回值的方法method书写方法头,使得使用类名AB作为前缀就可以调用它,该方法头的形式为()A static void method( )B public void method( )C final void method( )D abstract void method( )
单选题Java语言中常量的定义是哪项?()A public staticB public static finalC finalD public static abstract