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String first3(String str). Given a string of any length, return the first 3 characters. If the string has fewer than 3 characters, just return the entire string. first3("abcde") → "abc" first3("ab") → "ab" first3("a") → "a" Go...Save, Compile, Run (ctrl-enter) public String first3(String str) { } Go Editor font size %:75100125150 Shorter output

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