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 vote157 views1 answer
Search a 2D Matrix
Java
3 votes138 views1 answer
Java enum get nex
Java
11 votes144 views6 answers
How to print in java
Java
11 votes137 views2 answers
Try catch java
Java
0 vote139 views1 answer
SetupActionBarWithNavController problem
Java
1 vote153 views1 answer
How to add elements to an array in java dynamically
Java
6 votes134 views6 answers
Do while loop in java
Java
0 vote139 views1 answer
Java compareto jdei stackoverflow
Java
0 vote134 views1 answer
Exemple javafx
Java
0 vote141 views1 answer
Reverse arraylist java recursion
Java