✏️ Explanatory Question

Write the return type of the following library functions:

  1. isLetterOrDigit(char)
  2. replace(char, char)

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📘 Detailed Answer
🟢 Easy
← Previous Give the output of the following expression: a+= a++ + ++a + --a + a-- ; when a = 7
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Answer with Explanation

  1. boolean
  2. String
← Previous Give the output of the following expression: a+= a++ + ++a + --a + a-- ; when a = 7