frew@mclean.com tree-1 > treePi
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Return the toString representation of a TreeSet containing the first 3 digits of pi, 3, 1, 4, added in that order. treePi() → "[1, 3, 4]" Go...Save, Compile, Run (ctrl-enter)Show Hint public String treePi() { } Go Editor font size %:75100125150 Shorter output

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