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APCS String 1, Problem 3. Given a string, return a string length 2 made of its first 2 chars. If the string length is less than 2, use '@' for the missing chars. S13_atFirst("hello") → "he" S13_atFirst("hi") → "hi" S13_atFirst("h") → "h@" Go...Save, Compile, Run (ctrl-enter) public String S13_atFirst(String str) { } Go Editor font size %:75100125150 Shorter output

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