Here you can find the source of toString(final byte[] bytes)
public static String toString(final byte[] bytes)
//package com.java2s; /*/* w w w .ja v a2 s. c o m*/ * Copyright 1999-2101 Alibaba Group. * * 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. */ import java.io.UnsupportedEncodingException; public class Main { public static final String CHARSET_NAME_UTF8 = "UTF-8"; public static String toString(final byte[] bytes) { if (bytes == null) { return null; } try { return new String(bytes, CHARSET_NAME_UTF8); } catch (final UnsupportedEncodingException e) { throw new RuntimeException(e.getMessage(), e); } } public static String toString(final byte[] bytes, String charset) { if (bytes == null) { return null; } try { return new String(bytes, charset); } catch (final UnsupportedEncodingException e) { throw new RuntimeException(e.getMessage(), e); } } }