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#N2129. Capitalize the Title
problem link

#solution
class Solution {
public String capitalizeTitle(String title) {
StringBuilder sb = new StringBuilder();
for(String s: title.split(" ")){
if(s.length()>2)
sb.append(s.substring(0, 1).toUpperCase()).append(s.substring(1).toLowerCase());
else
sb.append(s.toLowerCase());

sb.append(" ");
}

return sb.toString().trim();
}
}