filter Null Values from Map - Java java.util

Java examples for java.util:Map Value

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Description

filter Null Values from Map

Demo Code

/*//from   www  . ja va2  s.c o  m
 * Copyright 2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;

import java.util.*;

public class Main {
    public static Map filterNullValues(Map map) {
        Iterator<Map.Entry> iterator = map.entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry next = iterator.next();
            if (next.getValue() == null) {
                iterator.remove();
            }
        }
        return map;
    }
}

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