做网站头视频,吕梁做网站公司,凌云县城乡建设局网站,做展会怎么引流到自己的网站我收到此错误消息#xff1a;线程“主”中的异常java.lang.RuntimeException#xff1a;无法编译的源代码-错误的符号类型#xff1a;PetTest.main(PetTest.java:18)上的Pet.saySomething Java结果#xff1a;1这是我所拥有的#xff1a;对于Speak课堂#xff0c;public …我收到此错误消息线程“主”中的异常java.lang.RuntimeException无法编译的源代码-错误的符号类型PetTest.main(PetTest.java:18)上的Pet.saySomething Java结果1这是我所拥有的对于Speak课堂public class Speak {public void saySomething();}这是我PetTest班上的东西import java.util.ArrayList;public class PetTest {public static void main(String[] args){ArrayList myPets new ArrayList();myPets.add(new Parrot(Boss));myPets.add(new Cat(Oreo));myPets.add(new Dog(Riley));for (Pet p: myPets){p.saySomething();System.out.println(p);}}}我没有发布该程序附带的其他5个类。我知道Speak班上需要修正一些问题但是我被困住了。在Speak类中在public voidsaySomething();说缺少方法正文或声明抽象的行上。编辑这是其他类public abstract class Pet {String name;public Pet(String name){this.name name;}}public class Parrot extends Bird {public Parrot (String name){super(name);}Overridepublic void saySomething(){System.out.println(Pauly want a craker?);}Overridepublic String toString(){return Hello, Im name the parrot.;}}public class Dog extends Pet {public Dog (String name){super(name);}Overridepublic void saySomething(){System.out.println(Ruff, ruff!);}Overridepublic String toString(){return Hello, Im name the dog.;}}public class Cat extends Pet {public Cat(String name){super(name);}Overridepublic void saySomething(){System.out.println(Meow.);}Overridepublic String toString(){return Hello, Im name the cat.;}}public class Bird extends Pet {public Bird(String name){super(name);}public void saySomething(){}}
