Data Types and Variables MCQ

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• In Java, the word true is ................
  ক

  A Java keyword

  খ

  A Boolean literal

  গ

  Same as value 1

  ঘ

  Same as value 0
• Which of the following automatic type conversion will be possible?
  ক

  short to int

  খ

  byte to int

  গ

  int to long

  ঘ

  All of these
• Automatic type conversion in Java takes place when
  ক

  Two type are compatible and size of destination type is shorter than source type.

  খ

  Two type are compatible and size of destination type is equal of source type.

  গ

  Two type are compatible and size of destination type is larger than source type.

  ঘ

  All of the above
• Size of float and double in Java is
  ক

  32 and 64

  খ

  64 and 64

  গ

  32 and 32

  ঘ

  64 and 32
• The smallest integer type is ......... and its size is ......... bits.
  ক

  short, 8

  খ

  byte, 8

  গ

  short, 16

  ঘ

  short, 16
• Size of int in Java is
  ক

  16 bit

  খ

  32 bit

  গ

  64 bit

  ঘ

  Depends on execution environment
• In Java byte, short, int and long all of these are
  ক

  signed

  খ

  unsigned

  গ

  Both of the above

  ঘ

  None of these
• Java is a ........... language.
  ক

  weakly typed

  খ

  strongly typed

  গ

  moderate typed

  ঘ

  None of these