Here you can find the source of parseInt(String src, Locale loc)
public static long parseInt(String src, Locale loc) throws ParseException
//package com.java2s; /*// www .ja v a2s.co m * ? Copyright IBM Corp. 2012-2013 * * 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.text.*; import java.util.*; public class Main { public static long parseInt(String src, Locale loc) throws ParseException { if (loc == null) { loc = Locale.getDefault(); } NumberFormat nf = NumberFormat.getNumberInstance(loc); nf.setParseIntegerOnly(true); return nf.parse(src).longValue(); } }