Java Collection Null isNotNull(Collection collection)

Description

is Not Null

License

Open Source License

Declaration

public final static boolean isNotNull(Collection collection) 

Method Source Code

//package com.java2s;
import java.util.Collection;
import java.util.Map;

public class Main {
    public final static boolean isNotNull(Long longs) {
        return !isNull(longs);
    }//from ww  w  .  j a  v  a  2  s .com

    public final static boolean isNotNull(String str) {
        return !isNull(str);
    }

    public final static boolean isNotNull(Collection collection) {
        return !isNull(collection);
    }

    public final static boolean isNotNull(Map map) {
        return !isNull(map);
    }

    public final static boolean isNotNull(Integer integer) {
        return !isNull(integer);
    }

    public final static boolean isNotNull(Object[] objs) {
        return !isNull(objs);
    }

    public final static boolean isNull(Object[] objs) {
        if (objs == null || objs.length == 0) {
            return true;
        }
        return false;
    }

    public final static boolean isNull(Integer integer) {
        if (integer == null || integer == 0) {
            return true;
        }
        return false;
    }

    public final static boolean isNull(Collection collection) {
        if (collection == null || collection.size() == 0) {
            return true;
        }
        return false;
    }

    public final static boolean isNull(Map map) {
        if (map == null || map.size() == 0) {
            return true;
        }
        return false;
    }

    public final static boolean isNull(String str) {
        return str == null || "".equals(str.trim()) || "null".equals(str.toLowerCase());
    }

    public final static boolean isNull(Long longs) {
        if (longs == null || longs == 0) {
            return true;
        }
        return false;
    }
}

Related

1. getSizeNullSafe(final Collection collection)
2. hasAtLeastOneNotNullElement(Collection collection)
3. hasCollectionNullItem(Collection collection)
4. isAllNull(Collection values)
5. isEmplyOrNull(Collection collection)
6. isNull(Collection collection)
7. isNull(Collection collection)
8. isNull(Collection c)
9. isNull(Collection collection)