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Parser and Compiler

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Hi All,
Could you please tell me what are the differences between 'XML parser' and 'Java Compiler' ?

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Basic difference:
  • A parser goes through the text of a file and decides what each "token" means, eg keyword, number, operator
  • A compiler takes the text of a program file (eg a .java class file) and converts it into machine-readable format (in the case of Java, "bytecode").
  • Most compilers include a parser to assist with working out how to compile each bit of the code .
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