What will this program print? public static void main(String[1 args) f System.ou

Question

What will this program print? public static void main(String[1 args) f System.out.println(f ( "abc" )); public static String f (String s) ( if (s.length)

Explanation / Answer

s is "abc" length of s is 3 (s.length() / 2) is 1 prints "before abc" String x = f(s.substring(0, s.length()/2)); // so, s is f(s.substring(0, 1)) which is f("a") => "a" String y = f(s.substring(1)) // y = "bc" => s is "bc" length of s is 2 (s.length() / 2) is 1 prints "before bc" String x = f(s.substring(0, s.length()/2)); // x = f("b") => x = "b" String y = f(s.substring(1)); => y = "c" String z = "bc"; prints "after bc" String z = "ab" prints "after ab" print "ab" output: before abc before bc after bc after ab ab

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