Here you can find the source of encode(final String str, final Charset charset)
public static String encode(final String str, final Charset charset)
//package com.java2s; /*//from w w w . j a v a 2s. c om * 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; import java.net.URLEncoder; import java.nio.charset.Charset; public class Main { public static String encode(final String str, final Charset charset) { try { return URLEncoder.encode(str, charset.name()); } catch (UnsupportedEncodingException ex) { throw new RuntimeException(ex); } } }