Datatype in Java MCQs Exercise I

Ques 1 Datatype

Which of the following is not a Primitive datatype in Java?

Ques 2 Datatype

Ashish is writing a class to handle student details. It requires two important variables student_name and student_mobileNumber. For name, he has taken that datatype as String. For student_MobileNumber what should be the data type?

Ques 3 Datatype

What is the default initial value of boolean datatypes?

Ques 4 Datatype

Consider the following code,

class student
{
      int studName;
       public void NewStudent(int studentid,String StudentName)
      {
             String studName;
             studName=StudentName;  //Line 1
      }
}