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Core Java - Interview Questions and Answers for 'Literal' - 3 question(s) found - Order By Rating

 Q1. What is the difference between keywords, identifiers and literals in java ?Core Java
Ans. Keywords are the reserved words that have a pre defined meaning for the compiler and hence are restricted to be used as identifiers.

Identifiers are the name assigned to different programming constructs like classes, interfaces, methods , variables etc.

Literals are the values that are assigned to Identifiers.

For example

int count = 0;

in the above statement "int" is a keyword, "count" is an identifier and "0" is a literal

  Sample Code for keywords

  Sample Code for identifiers

  Sample Code for literals

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   Like         Discuss         Correct / Improve     keywords  literals  identifiers


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 Q2. What are the some literals in java that are reserved and hence cannot be used as identifiers ? Core Java
Ans. true , false and null

  Sample Code for literals

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   Like         Discuss         Correct / Improve     literals


Related Questions

 What is the difference between keywords, identifiers and literals in java ?
 Can we use true and false as identifiers in java ? Are they keywords in Java ?


 Q3. Can we use true and false as identifiers in java ? Are they keywords in Java ?Core Java
Ans. true and false are literals in java. No we cannot use them as identifiers.

  Sample Code for literal

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   Like         Discuss         Correct / Improve     identifiers  keywords  literals


Related Questions

 What is the difference between keywords, identifiers and literals in java ?
 What are the some literals in java that are reserved and hence cannot be used as identifiers ?



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