题目内容

public ______ class People { int age; public int getAge() { returm age; } public abstract void speak(){ } }

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以下程序的运行结果是______ class A{public int getNumber(int a){return a+1;}}class B extends A{public int getNumber(int a, char c){return a+2;} public static void main(String[] args) {B b=new B();System.out.println(b.getNumber(0));} }

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写出下面程序的运行结果______ public class Person{ String name; int age; public Person(String name,int age){ this.name=name; this.age=age; } public static void main(String[]args){ Person person=new Person("Wang",10); System.out.println(person.name+" is "+person.age+" years old!"); }}