Java Variables, Class and Objects

Which declaration will throw an error?

• double num = 8;

• int averageGrade = 89.7;

• boolean done = false;

• String done = "true";

which of the these variables allowed in java.

• Local Variables

• Instance Variables

• Static Variables

• All the above

• none of the above

• sum is 1020

• sum is 30

• airthmetic error

• 40

• 30

• 20

• 10

• -10

• 10

• error

predict output

• Could not find or load main class sample

• Could not find or load main class Hai

• printed Hai

• file name class name must me same

At the end of this fragment of code what is r1.count value?

• 10

• -5

• 6

• 7

• 8

predict output

• 10

• 5

• error

predict the output

• 10

• 25

• 10 25

• 25 10

• 1,2

• 2,3

• 1,2,3

• 1,2,3,4