Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.*;

public class Main {

    public static <T> List<T> getLeftDiff(List<T> list1, List<T> list2) {
        if (isEmpty(list2)) {
            return list1;
        }
        List<T> list = new ArrayList<T>();
        if (isNotEmpty(list1)) {
            for (T o : list1) {
                if (!list2.contains(o)) {
                    list.add(o);
                }
            }
        }
        return list;
    }

    public static boolean isEmpty(Map map) {
        return !isNotEmpty(map);
    }

    public static boolean isEmpty(Collection<?> collection) {
        return !isNotEmpty(collection);
    }

    public static boolean isNotEmpty(Map map) {
        return map != null && map.size() > 0;
    }

    public static boolean isNotEmpty(Collection<?> collection) {
        return collection != null && collection.size() > 0;
    }
}