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 vote130 views3 answers
Tostring in java
Java
0 vote164 views1 answer
How to run the war file in Apache Tomcat/8.5.59 THROUGH SPRING
Java Spring
1 vote131 views1 answer
Dagger dependency maven dependency
Java
1 vote161 views1 answer
Android application class manifest
Java
3 votes96 views2 answers
How to check if two strings are equal in java
Java
-1 vote120 views2 answers
Call activity method from adapter
Java
1 vote126 views1 answer
Full shutdown windows 10 cmd
Java
9 votes131 views3 answers
Arraylist to java
Java
0 vote127 views1 answer
How to import math lib in java
Java
0 vote124 views1 answer
Meditation for stress and depression
Java