Java Collection to String toString(Collection collection)

Description

to String

License

Open Source License

Declaration

public static <T extends Object> String toString(Collection<T> collection) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.Collection;

public class Main {
    public static <T extends Object> String toString(Collection<T> collection) {
        StringBuilder sb = new StringBuilder();

        if (collection.size() == 0) {
            return "";
        }/*from   w  w  w  .j a va 2 s.  c o  m*/

        for (T object : collection) {
            sb.append(object.toString());
            sb.append(",");
        }

        return sb.substring(0, sb.length() - 1);
    }

    public static <T extends Object> String toString(Collection<T> collection, String delim) {
        StringBuilder sb = new StringBuilder();

        if (collection.size() == 0) {
            return "";
        }

        for (T object : collection) {
            sb.append(object.toString());
            sb.append(delim);
        }

        return sb.substring(0, sb.length() - 1);
    }
}

Related

1. toString(Collection objects, CharSequence delimiter)
2. toString(Collection bytes, Collection result)
3. toString(Collection