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Java_Data_Types

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Questions and Answers

What is the default value of a float data type in Java?

0.0f (correct)

1.0d

1.0f

0.0

What is the range of a char data type in Java?

0 to 255

0 to 65,535 (correct)

0 to 128

0 to 32767

What is an instance variable in Java?

A variable declared with the static keyword

A variable declared inside a class but outside a method (correct)

A variable declared outside a class

A variable declared inside a method

What is the default value of a boolean data type in Java?

false Signup and view all the answers

What is the size of a short data type in Java?

2 bytes Signup and view all the answers

What is a variable in Java?

A container that holds a value Signup and view all the answers

What is the purpose of declaring a variable with a data type in Java?

To specify the type of value a variable can hold Signup and view all the answers

What is a local variable in Java?

A variable declared inside a method Signup and view all the answers

What is the size of a double data type in Java?

8 bytes Signup and view all the answers

What is the purpose of a static variable in Java?

To store a value that is shared by all instances of a class Signup and view all the answers