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Create 187-Repeated-DNA-Sequences.java

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	`1`	`+classSolution {`
	`2`	`+publicList<String>findRepeatedDnaSequences(Strings) {`
	`3`	`+HashSet<String>set =newHashSet<>();`
	`4`	`+intstart =0;`
	`5`	`+HashSet<String>ans =newHashSet<>();`
	`6`	`+for (intend =10;end<=s.length();end++) {`
	`7`	`+if (set.contains(s.substring(start,end)))`
	`8`	`+ans.add(s.substring(start,end));`
	`9`	`+set.add(s.substring(start,end));`
	`10`	`+start++;`
	`11`	`+ }`
	`12`	`+List<String>list =newArrayList<>(ans);`
	`13`	`+returnlist;`
	`14`	`+ }`
	`15`	`+}`

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