Java Map to String toString(Map map)

Description

to String

License

Apache License

Declaration

public static String toString(Map<String, ? extends Object[]> map) 

Method Source Code

//package com.java2s;
/*//from  ww w  .  j  a  va 2  s .  c o m
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;

public class Main {
    public static String toString(Map<String, ? extends Object[]> map) {
        Iterator<? extends Map.Entry<String, ? extends Object[]>> iter = map.entrySet().iterator();
        if (!iter.hasNext()) {
            return "{}";
        }
        StringBuilder sb = new StringBuilder();
        sb.append('{');
        while (true) {
            Map.Entry<String, ? extends Object[]> entry = iter.next();
            sb.append(entry.getKey());
            sb.append('=');
            sb.append(Arrays.toString(entry.getValue()));
            if (!iter.hasNext()) {
                break;
            }
            sb.append(',').append(' ');
        }
        return sb.append('}').toString();
    }
}

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