publicclassSolution {publicbooleanWordPattern(String pattern, String str) {
String[] s=str.split(" ");if(pattern.length()!=s.length)returnfalse;for(inti=0;i<pattern.length();i++) {for(intj=0;j<i;j++) {if((pattern.charAt(i)!=pattern.charAt(j)&&s[i].equals(s[j]))|(pattern.charAt(i)==pattern.charAt(j)&&!s[i].equals(s[j])))returnfalse;
}
}returntrue;
}
}