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a_181_Anagram.java
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a_181_Anagram.java
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import java.util.* ;
public class a_181_Anagram {
public static boolean isAnagram(String s, String t){
if(s.length() != t.length()){
return false ;
}
HashMap<Character, Integer> map = new HashMap<>() ;
for(int i=0; i<s.length(); i++){
char ch = s.charAt(i) ;
map.put(ch, map.getOrDefault(ch, 0) + 1 ) ;
}
for(int i=0; i<t.length() ; i++){
char ch = t.charAt(i) ;
if(map.get(ch) != null){
if(map.get(ch) == 1){
map.remove( ch) ;
}
else{
map.put(ch, map.get(ch) -1 ) ;
}
}
else{
return false ;
}
}
return map.isEmpty() ;
}
public static void main(String[] args) {
String s = "tulip" ;
String t = "lipid" ;
System.out.println(isAnagram(s, t));
}
}