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reverse using temp
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//'main' method must be in a class 'Rextester'. //Compiler version 1.8.0_111 import java.util.*; import java.lang.*; class Rextester { public static void main(String[] args) { String input = "Reversing string using temp variable"; String reversed = reverse(input); System.out.println(reversed); } public static String reverse(String input){ char[] in = input.toCharArray(); int begin=0; int end=in.length-1; char temp; while(end>begin){ temp = in[begin]; in[begin]=in[end]; in[end] = temp; end--; begin++; } return new String(in); } }
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Compilation time: 1.37 sec, absolute running time: 0.35 sec, cpu time: 0.35 sec, memory peak: 18 Mb, absolute service time: 1,73 sec
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