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remove duplicate chars in string #155

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Merged
hcsp-bot merged 1 commit into from
Jan 17, 2021
Merged

remove duplicate chars in string #155

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3 changes: 2 additions & 1 deletion src/main/java/com/github/hcsp/collection/RemoveDuplicateCharsInString.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package com.github.hcsp.collection;

import java.util.LinkedHashSet;
import java.util.HashSet;

public class RemoveDuplicateCharsInString {
Expand All @@ -8,7 +9,7 @@ public class RemoveDuplicateCharsInString {
// 输入ccbbaa返回cba
// 输入apple返回aple
public static String removeDuplicateCharsInString(String s) {
HashSet<Character> charSet = new HashSet<>();
HashSet<Character> charSet = new LinkedHashSet<>();
for (int i = 0; i < s.length(); i++) {
charSet.add(s.charAt(i));
}
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