【单选题】给出如下不完整的类: class Person{ String name,department; int age; public Person(String n){name =n;} public Person(String n,int a){name =n;age=a;} public Person(String n,String d,int a){ //给属性name、age赋值,如“name...
【单选题】辽宁省少数民族人口占全省总人口比例为( )
【判断题】在划线前,应分析图样了解工件的加工部位和要求,选择好划线基准。
【单选题】给出如下不完整类:class Person { String name, department; int age; public Person(String n){ name = n; } public Person(String n, int a){ name = n; age = a; } public Person(String n, String d, int a){ ...