Here you can find the source of getIntegerFormat(int maximumIntegerDigits)
public static DecimalFormat getIntegerFormat(int maximumIntegerDigits)
//package com.java2s; /*//from w w w. j a v a2 s.c o m * Copyright (C) 2013 Ivan Ridao Freitas * * 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.DecimalFormat; public class Main { public static DecimalFormat getIntegerFormat(int maximumIntegerDigits) { DecimalFormat decimalEditFormat = new DecimalFormat(); decimalEditFormat.setMaximumFractionDigits(0); decimalEditFormat.setGroupingUsed(false); decimalEditFormat.setParseIntegerOnly(true); if (maximumIntegerDigits > 0) { decimalEditFormat.setMaximumIntegerDigits(maximumIntegerDigits); decimalEditFormat.setMinimumIntegerDigits(maximumIntegerDigits); } return decimalEditFormat; } }