Given the uncompleted code of a class: 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) { // doing the same as two arguments version of constructor // including assignment name=n,age=a department = d; } } Which expression can be added at the "doing the same as..." part of the constructor?() Person(n,a);。 this(Person(n,a));。 this(n,a);。 this(name,age);。
施工预算的表格中,“两算”对比表是指()。 不同分项工程内容的施工预算与施工图预算的对比分析表。 不同分项工程内容的材料消耗对比分析表。 同一工程内容的施工预算与施工图预算的对比分析表。 同一工程内容的人工费、材料费的对比分析表。
Which of the following statements about variables and their scopes are true? () Instance variables are member variables of a class.。 Instance variables are declared with the static keyword.。 Local variables defined inside a method are created when the method is executed.。 Local variables must be initialized before they are used.。
有箱底面积为0.15rri2的配件共计500箱,如果摆码成五层高的垛,计算占地面积。
SEO行业里最佳的搜索引擎优化方法是()。 白帽SEO。 黑帽SEO。 灰帽SEO。
不属于专业技术人员的是()