java - 创建新对象时使用 char

Question

我有一个学生类(class)，在创建对象时我需要将成绩作为角色。如何在对象参数中写入它？如果我使用引号，它认为它是一个字符串，如果我只写 A 级，它认为它是一个变量。参数为:

String name
String Adress
Integer birthdate
Integer age
String course
char grade
String school

Student Student1 = new Student("John", "Random street 1", 891117, 23, "Java", A, "HIG" );

Answer 1

字符用单引号括起来 '

Student Student1 = 
new Student("John", "Random street 1", 891117, 23, "Java", 'A', "HIG" );