Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.*;
import java.util.function.Function;

import java.util.stream.Stream;
import static java.util.Arrays.asList;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;

public class Main {
    public static String join(Collection<?> objects, String delimiter) {
        return objects.stream().map(String::valueOf).collect(joining(delimiter));
    }

    public static String join(Collection<?> objects, String delimiter, String prefix, String suffix) {
        return objects.stream().map(String::valueOf).collect(joining(delimiter, prefix, suffix));
    }

    public static String join(Object[] objects, String delimiter, String prefix, String suffix) {
        return join(asList(objects), delimiter, prefix, suffix);
    }

    public static <A, B> List<B> map(Collection<? extends A> xs, Function<? super A, ? extends B> mapper) {
        return xs.stream().map(mapper).collect(toList());
    }

    public static <A, B> List<B> map(A[] xs, Function<? super A, ? extends B> mapper) {
        return Stream.of(xs).map(mapper).collect(toList());
    }
}