Here you can find the source of createBigInteger(String str)
Convert a String
to a BigInteger
.
Returns null
if the string is null
.
Parameter | Description |
---|---|
str | a <code>String</code> to convert, may be null |
Parameter | Description |
---|---|
NumberFormatException | if the value cannot be converted |
BigInteger
(or null if the input is null)
public static BigInteger createBigInteger(String str)
//package com.java2s; /*/*from w w w .j a v a 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.math.BigInteger; public class Main { /** * <p>Convert a <code>String</code> to a <code>BigInteger</code>.</p> * * <p>Returns <code>null</code> if the string is <code>null</code>.</p> * * @param str a <code>String</code> to convert, may be null * @return converted <code>BigInteger</code> (or null if the input is null) * @throws NumberFormatException if the value cannot be converted */ public static BigInteger createBigInteger(String str) { if (str == null) { return null; } return new BigInteger(str); } }