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Reverse a String
//'main' method must be in a class 'Rextester'. //openjdk version '11.0.5' import java.util.*; import java.lang.*; class Rextester { public static void revString(char[] s){ int lt=0; int rt=s.length-1; //System.out.println(rt); while(lt<=rt ){ char temp=s[rt]; s[rt]=s[lt]; s[lt]=temp; lt++; rt--; } System.out.println(Arrays.toString(s)); } public static void main(String args[]) { char[] s = {'a','m','a','n'}; //Rextester obj = new Rextester(); revString(s); } }
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exp5
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