Here you can find the source of getMaxBigDecimal(int precision, int scale)
private static BigDecimal getMaxBigDecimal(int precision, int scale)
//package com.java2s; /*//from w ww .ja v a 2 s .c om * Apache Derby is a subproject of the Apache DB project, and is licensed under * the Apache License, Version 2.0 (the "License"); you may not use these files * 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. * * Splice Machine, Inc. has modified this file. * * All Splice Machine modifications are Copyright 2012 - 2016 Splice Machine, Inc., * and are licensed to you under the License; you may not use this file except in * compliance with the License. * * 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.BigDecimal; public class Main { private static BigDecimal getMaxBigDecimal(int precision, int scale) { BigDecimal fraction = BigDecimal.ONE.subtract(BigDecimal.ONE.divide(BigDecimal.TEN.pow(scale))); BigDecimal whole = BigDecimal.TEN.pow(precision - scale).subtract(BigDecimal.ONE); return whole.add(fraction); } }