单项选择题
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?()
A. Person(n,a); B. this(Person(n,a)); C. this(n,a); D. this(name,age);
单项选择题 Whichofthefollowingassignmentisnotcorrect?()
单项选择题 Whichstatementsaboutthegarbagecollectionaretrue?()
单项选择题 Given the following expression about TextField which use a proportional pitch font. TextField t = new TextField("they are good",40); Which statement is true?()