Question

Define a function int Count(String str, char ch). Count and return the occurrence of argument ch in the string argument str in bluej platform.
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Answer 1

The INSTR function searches a character string for a specified substring, and returns the character position in that string where an occurrence of that a substring ends, based on a count of substring occurrences. ... Arguments to INSTR cannot be user-defined data types. The function returns NULL in each of these cases:.

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