Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;

public class Main {
    public static <K, V> boolean isDistinctValues(Map<K, V> in) {
        if (in == null) {
            return true;
        }
        return isDistinct(in.values());
    }

    public static <T> boolean isDistinct(Collection<T> in) {
        if (in == null) {
            return true;
        }
        return in.size() == distinct(in).size();
    }

    public static <T> List<T> distinct(Collection<T> in) {
        if (in == null) {
            return new ArrayList<T>();
        }
        return new ArrayList<T>(new HashSet<T>(in));
    }
}