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?

<p>false (C)</p> Signup and view all the answers

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

<p>2 bytes (D)</p> Signup and view all the answers

What is a variable in Java?

<p>A container that holds a value (D)</p> Signup and view all the answers

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

<p>To specify the type of value a variable can hold (D)</p> Signup and view all the answers

What is a local variable in Java?

<p>A variable declared inside a method (B)</p> Signup and view all the answers

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

<p>8 bytes (A)</p> Signup and view all the answers

What is the purpose of a static variable in Java?

<p>To store a value that is shared by all instances of a class (C)</p> Signup and view all the answers

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