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| public String eliminateDuplicates(String in) | |
| { | |
| HashSet<String> set=new HashSet<String>(); | |
| String out=""; | |
| for(int i=0;i<in.length();i++) | |
| { | |
| String ch=in.substring(i,i+1); | |
| if(!set.contains(ch)) | |
| { | |
| out=out+ch; | |
| set.add(ch); | |
| } | |
| } | |
| return out; | |
| } |
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