Warmup-2 > doubleX
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Given a string, return true if the first instance of "x" in the string is immediately followed by another "x". doubleX("axxbb") → true doubleX("axaxax") → false doubleX("xxxxx") → true Go...Save, Compile, Run (ctrl-enter)Show Hint Show Solution boolean doubleX(String str) { } Go Editor font size %:75100125150 Shorter output

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