Left fold java

# https://apocalisp.wordpress.com/2008/04/22/left-fold-in-java/
# now that there is lambdas in Java it's certainly easier but
# this one should stay with us for it is beautiful!
  
  public static <A, B> A fold(F<A, F<B, A>> f, A z, Iterable<B> xs)
    { A p = z;
      for (B x : xs)
        { p = f.f(p).f(x); }
      return p; }

Left fold java


public static String concatenate(List<Character> chars) {
        return chars
                .stream()
                .reduce(new StringBuilder(),
                                StringBuilder::append,
                                StringBuilder::append).toString();
    }

Source: nullorempty.org

Similar codes

0 vote332 views1 answer
Why the fuck java suck
Java
0 vote424 views1 answer
Hello world stack overflow
Java
1 vote341 views1 answer
Java append to arraylist at beginning
Java
0 vote367 views1 answer
SpringBootStarter maven dependency
Java
0 vote318 views1 answer
Button loginButton = new Button(this); loginButton.setText("Login"); Button register Button = new Button(this); register Button .gettext("Register");
Java
6 votes351 views3 answers
How to remove a sting character in java
Java
4 votes368 views1 answer
Collection vs collections
Java
9 votes338 views3 answers
Java loop through string
Java
0 vote376 views1 answer
Android html to bitmap
Java
1 vote364 views1 answer
Catch array out of bounds exception java
Java