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Questions and Answers
What is the memory allocated for the float data type in Java?
What is the memory allocated for the float data type in Java?
- 8 bytes
- 4 bytes (correct)
- 2 bytes
- 6 bytes
What is the method that every Java application program must have?
What is the method that every Java application program must have?
- start
- run
- main (correct)
- execute
How many significant digits can a double data type value hold?
How many significant digits can a double data type value hold?
- 20
- 6 or 7
- 15 (correct)
- 10 or 11
Which of the following characters can be used to start a single-line comment in Java?
Which of the following characters can be used to start a single-line comment in Java?
Which Java data type represents single precision values?
Which Java data type represents single precision values?
What are identifiers in Java?
What are identifiers in Java?
Which data type in Java is used to represent integers between 2147483648 and 2147483647?
Which data type in Java is used to represent integers between 2147483648 and 2147483647?
When evaluating an operator in an expression, how is an integer treated in a mixed expression?
When evaluating an operator in an expression, how is an integer treated in a mixed expression?
Which category of primitive data types in Java is used to deal with characters?
Which category of primitive data types in Java is used to deal with characters?
Which reserved word is used to declare a named constant in Java?
Which reserved word is used to declare a named constant in Java?
What is the maximum number of decimal places in float values?
What is the maximum number of decimal places in float values?
What character set does Java use?
What character set does Java use?
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