FilesExpand file tree

 master

/

IsomorphicStrings.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

28 lines (24 loc) · 677 Bytes

 master

/

IsomorphicStrings.java

Copy path

Top

File metadata and controls

• Code
• Blame

28 lines (24 loc) · 677 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

package leetcode;

import java.util.HashMap;

import java.util.Map;

public class IsomorphicStrings{

public static void main(String[] args){

IsomorphicStrings test = new IsomorphicStrings();

System.out.println(test.isIsomorphic("egg", "add"));

}

public boolean isIsomorphic(String s, String t){

if(s==null && t==null ) return false;

Map<Character, Character> map= new HashMap<Character, Character>();

for(int i =0; i< s.length(); i++){

char c1 = s.charAt(i);

char c2 = t.charAt(i);

if(map.containsKey(c1)){

if(map.get(c1)!= c2) return false;

}else{

if(map.containsValue(c2)) return false;

map.put(c1, c2);

}

}

return true;

}

}