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RevArray
//'main' method must be in a class 'Rextester'. //openjdk version '11.0.5' import java.io.*; import java.util.*; import java.lang.*; class Rextester { public static void main(String args[]) { int[] arr = {1,2,3,4,5}; int start = 0; int end = arr.length-1; while(start<end){ int temp = arr[start]; arr[start] = arr[end]; arr[end] = temp; start+=1; end-=1; } for(int loop:arr) System.out.print(loop+" "); } }
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