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abraskin@mbusd.org > firstNumChars
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Given a String parameter, str, and an int parameter numChars, return only the first numChars characters of str. 


Pre-condition: str.length() >= numChars

firstNumChars("ABC123", 3) → "ABC"
firstNumChars("ABC123", 1) → "A"
firstNumChars("ABC123", 6) → "ABC123"
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public String firstNumChars(String str, int numChars) {
  
}






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Difficulty: 100
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