1. What can you say about the name of a class? ___ It must start with an upperca

ID: 3664925 • Letter: 1

Question

1. What can you say about the name of a class?

___ It must start with an uppercase letter.

___ The convention is to start with an uppercase letter.

2. What can you say about the name of constructors?

___They must be the same name as the class name.

___ The can be the other name, just like other methods.

3. What is a constructor’s return type?

___ void

___ Object

47. In the main method of the class GradeClient, you have coded.

Grade g = new Grade( ‘B’ ); g.letterGrade = ‘A’; //line10

When you compile, you get the following message:

GradeClient.java:10: error letter grade has private access in Grade

g.letterGrade = ‘A’; //line10

1 error

Explain what the problem is and how to fix it.

48. In the main method of the class GradeClient, you have coded

Grade g = new Grade ( “A” ); //line 10

When you compile, you get the following message:

GradeClient.java:10: error: incompatible types: String can not be convert to char

Grade g = new Grade ( “A” ); //line10

Note: Some messages have been simplifies; recompile with

-Xdiags:verbose to get full output

1 error

Explain what the problem is and how to fix it.

1.It must start with an upper case letter

2.They must be same name as class name

3.void

47.If you try to access the private class of another class java will not recognize so it will through an error

use extension class

48.It is an unchecked error,

and also it overrides

It is an warning only

try to compile again and check it will work

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