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Merge pull request #55 from MarcHines/patch-4

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Update ReverseString.java
This commit is contained in:
Anup Kumar Panwar
2017-06-02 11:07:24 +05:30
committed by GitHub
parent 6ff4a1fb6f 066dd615a6
commit 6bc4f91b6e
1 changed files with 12 additions and 14 deletions
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26
ReverseString.java
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@ -16,19 +16,17 @@ class ReverseString
* @param str String to be reversed
* @return Reversed string
*/
static String reverseString(String str)
{
String reverse="";
if(str.length()==1)
{
return str;
}
else
{
reverse=reverse+str.charAt(str.length()-1)+reverseString(str.substring(0,str.length()-1));
return reverse;
}
}
public static String reverse(String str){
if(str.isEmpty() || str == null) return str;
char arr[] = str.toCharArray();
for(int i = 0, j = str.length() - 1; i < j; i++, j--){
char temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
return new String(arr);
}
/**
* Main Method
@ -45,4 +43,4 @@ class ReverseString
br.close();
}
}