Java 测试类示例：显示教师信息

public class Test { public static void main(String[] args) { Teacher t = new Teacher(); t.display(); } }

class Teacher { String name = 'zhang'; int age = 34; double salary = 1234; String professionalTitle = 'professor';

public void display() {
    System.out.println('name:' + name);
    System.out.println('salary:' + salary);
}

}