Sample java program to round bigdecimal number to its nearest number

hi,
i want to round a BigDecimal number to its nearest number
eg. if my calculation result is 75.3 then it has to be rounded to 75
if my calculation result is 75.6 then it has to be rounded to 76
if my calculation result is 75.5 then it has to be rounded to 76
can anyone help me out resolving this
thanks in advance

public class MyBigDecimal {
     public static void main(String [] args){
          double d = 75.3;
          System.out.println("d = " +d + ", " + Math.round(d));
          d= 75.6;
          System.out.println("d = " +d + ", " + Math.round(d));
          d=75.5;
          System.out.println("d = " +d + ", " + Math.round(d));
          d=75.99;
          System.out.println("d = " +d + ", " + Math.round(d));
}What's the output?

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Loading file data from mydata.txt ...17 item(s) OK
CATALOGUE MANAGER: MAIN MENU
============================
a) display all goods b) display cheapest/dearest goods
c) sort the goods list d) search the goods list
e) quit
Option: d
The goods cannot be searched, as the list is not yet sorted.
CATALOGUE MANAGER: MAIN MENU
============================
a) display all goods b) display cheapest/dearest goods
c) sort the goods list d) search the goods list
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Option: b
CHEAPEST GOODS IN CATALOGUE
Cat      Description      ExTax      Tax      IncTax
BA023      Headphones      23.00      3.45      26.45
JW289      Tape Recorder     23.00      3.45      26.45
MOST EXPENSIVE GOODS IN CATALOGUE
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ZZ338      Wristwatch      295.00 44.25      339.25
CATALOGUE MANAGER: MAIN MENU
============================
a) display all goods b) display cheapest/dearest goods
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Option: c
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CATALOGUE MANAGER: MAIN MENU
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Option: d
Enter the catalogue number to find: ZJ282
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ZJ282 Pine Table 98.00 14.70 112.70
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import java.io.*;
import java.text.DecimalFormat;
import java.util.StringTokenizer;
public class CatalogueManager {
// private static final double TAXABLE_PERCENTAGE = 0.15;
// Require it to be publicly accessible
// static means it is class variable, not an object instance variable.
public static final double TAXABLE_PERCENTAGE = 0.15;
private String catalogNumber;
private String description;
private double price;
/** Creates a new instance of CatalogueManager */
public CatalogueManager() {
catalogNumber = null;
description = null;
price = 0;
public CatalogueManager(String pCatalogNumber, String pDescription, double pPrice) {
catalogNumber = pCatalogNumber;
description = pDescription;
price = pPrice;
// the mutators must be most visible
// the final keyword prevents overridden
public final void setCatalogNumnber(String pCatalogNumber) {
catalogNumber = pCatalogNumber;
// the mutators must be most visible
// the final keyword prevents overridden
public final String getCatalogNumber() {
String str = catalogNumber;
return str;
// the mutators must be most visible
// the final keyword prevents overridden
public final void setDescription(String pDescription) {
description = pDescription;
// the accessors must be most visible
// the final keyword prevents overridden
public final String getDescription() {
String str = description;
return str;
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// the mutators must be most visible
public boolean setPrice(String pPrice) {
try {
price = Double.parseDouble(pPrice);
return true;
catch (NumberFormatException nfe) {
price = 0;
return false;
// the accessors must be most visible
public double getPrice() {
double rprice = price;
return formatDouble(rprice);
double getTaxAmount(){
double rTaxAmount = price * TAXABLE_PERCENTAGE;
return formatDouble(rTaxAmount);
double getIncTaxAmount() {
double rTaxAmount = price * (1 + TAXABLE_PERCENTAGE);
return formatDouble(rTaxAmount);
double formatDouble(double value) {
DecimalFormat myFormatter = new DecimalFormat("###.##");
String str1 = myFormatter.format(value);
return Double.parseDouble(str1);
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final int MAX_INPUT_ALLOW = 30;
int MAX_CURRENT_INPUT = 0;
FileReader fr;
BufferedReader br;
CatalogueManager[] catalogList = new CatalogueManager[MAX_INPUT_ALLOW];
String str;
char chr;
boolean bolSort = false;
double cheapest = 0;
double mostExpensive = 0;
String header = "Cat\tDescription\tExTax\tTax\tInc Tax";
String lines = "---\t-----------\t------\t---\t-------";
if (args.length != 1) {
System.out.println("The application expects one parameter only.");
System.exit(0);
try {
fr = new FileReader(args[0]);
br = new BufferedReader(fr);
int i = 0;
while ((str = br.readLine()) != null) {
catalogList[i] = new CatalogueManager();
StringTokenizer tokenizer = new StringTokenizer(str, ":" );
catalogList.setCatalogNumnber(tokenizer.nextToken().trim());
catalogList[i].setDescription(tokenizer.nextToken().trim());
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System.out.println("The price column cannot be formatted as dobule type");
System.out.println("Application will convert the price to 0.00 and continue with the rest of the line");
System.out.println("Please check line " + i);
if (catalogList[i].getPrice() < cheapest) {
cheapest = catalogList[i].getPrice();
if (catalogList[i].getPrice() > mostExpensive) {
mostExpensive = catalogList[i].getPrice();
i++;
fr.close();
MAX_CURRENT_INPUT = i;
catch (FileNotFoundException fnfe) {
System.out.println("Input file cannot be located, please make sure the file exists!");
System.exit(0);
catch (IOException ioe) {
System.out.println(ioe.getMessage());
System.out.println("Application cannot read the data from the file!");
System.exit(0);
boolean bolLoop = true;
BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
do {
System.out.println("");
System.out.println("CATALOGUE MANAGER: MAIN MENU");
System.out.println("============================");
System.out.println("a) display all goods b) display cheapest/dearest goods");
System.out.println("c) sort the goods list d) search the good list");
System.out.println("e) quit");
System.out.print("Option:");
try {
str = stdin.readLine();
if (str.length() == 1){
str.toLowerCase();
chr = str.charAt(0);
switch (chr){
case 'a':
System.out.println(header);
System.out.println(lines);
for (int i = 0; i < MAX_CURRENT_INPUT; i++){
System.out.println(catalogList[i].getCatalogNumber() + "\t" +
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catalogList[i].getPrice() + "\t" +
catalogList[i].getTaxAmount() + "\t" +
catalogList[i].getIncTaxAmount());
System.out.println("");
break;
case 'b':
System.out.println("");
System.out.println("CHEAPEST GOODS IN CATALOGUE");
System.out.println(header);
System.out.println(lines);
for (int i = 0; i < MAX_CURRENT_INPUT; i++){
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System.out.println(catalogList[i].getCatalogNumber() + "\t" +
catalogList[i].getDescription() + "\t" +
catalogList[i].getPrice() + "\t" +
catalogList[i].getTaxAmount() + "\t" +
catalogList[i].getIncTaxAmount());
System.out.println("");
System.out.println("MOST EXPENSIVE GODS IN CATALOGUE");
System.out.println(header);
System.out.println(lines);
for (int i = 0; i < MAX_CURRENT_INPUT; i++){
if (catalogList[i].getPrice() == mostExpensive) {
System.out.println(catalogList[i].getCatalogNumber() + "\t" +
catalogList[i].getDescription() + "\t" +
catalogList[i].getPrice() + "\t" +
catalogList[i].getTaxAmount() + "\t" +
catalogList[i].getIncTaxAmount());
System.out.println("");
break;
case 'c':
if (bolSort == true){
System.out.println("The data has already been sorted");
else {
System.out.println("The data is not sorted");
break;
case 'd':
break;
case 'e':
bolLoop = false;
break;
default:
System.out.println("Invalid choice, please re-enter");
break;
catch (IOException ioe) {
System.out.println("ERROR:" + ioe.getMessage());
System.out.println("Application exits now");
System.exit(0);
} while (bolLoop);

One thing you're missing totally is CatalogueItem!! A CatalogueManager manages the CatalogueItem's, and is not an CatalogueItem itself. So at least you have to have this one more class CatalogueItem.
public class CatalogueItem {
private String catalogNumber;
private String description;
private double price;
//with all proper getters, setters.
Then CatalogueManager has a member variable:
CatalogueItem[] items;
Get this straight and other things are pretty obvious...

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MANAGER_SWIPED          VARCHAR2(1 BYTE),
PHONE_NO                NUMBER(11),
KCPOS_KTH_USER_101      NUMBER,
KCPOS_KTH_USER_102      NUMBER,
KCPOS_KTH_USER_103      NUMBER,
KCPOS_KTH_USER_104      NUMBER,
KCPOS_KTH_USER_105      NUMBER,
KCPOS_KTH_USER_106      NUMBER,
KCPOS_KTH_USER_107      NUMBER,
KCPOS_KTH_USER_108      NUMBER,
KCPOS_KTH_USER_109      NUMBER,
KCPOS_KTH_USER_110      NUMBER,
KCPOS_KTH_USER_201      NUMBER(12,2),
KCPOS_KTH_USER_202      NUMBER(12,2),
KCPOS_KTH_USER_203      NUMBER(12,2),
KCPOS_KTH_USER_204      NUMBER(12,2),
KCPOS_KTH_USER_205      NUMBER(12,2),
KCPOS_KTH_USER_206      NUMBER(12,2),
KCPOS_KTH_USER_207      NUMBER(12,2),
KCPOS_KTH_USER_208      NUMBER(12,2),
KCPOS_KTH_USER_209      NUMBER(12,2),
KCPOS_KTH_USER_210      NUMBER(12,2),
KCPOS_KTH_USER_301      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_302      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_303      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_304      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_305      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_306      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_307      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_308      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_309      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_310      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_401      DATE,
KCPOS_KTH_USER_402      DATE,
KCPOS_KTH_USER_403      DATE,
DISC_TOTAL              NUMBER(9,2)
CREATE INDEX REX_HEAD_EXTRACT_NDX ON REX_HEAD_EXTRACT
(REX_SEQ_NBR, REVISION_NUMBER, STORE_NUMBER, TRAN_DATE, TERMINAL_NUMBER, TRAN_NUMBER)-- Create table DDL for target table TRAN_HEAD
CREATE TABLE NAVISTOR.KCPOS_TRAN_HEADER_BASE
TRAN_SEQ_NBR            NUMBER(12),
ORG_NUMBER              NUMBER,
STORE_NUMBER            NUMBER,
TRAN_DATE               DATE,
TERMINAL_NUMBER         NUMBER,
TRAN_NUMBER             NUMBER,
TRAN_TIME               DATE,
BATCH_NUMBER            VARCHAR2(8 BYTE),
BATCH_TYPE              VARCHAR2(4 BYTE),
TRAN_TYPE               VARCHAR2(4 BYTE),
SUB_TRAN_TYPE           VARCHAR2(4 BYTE),
CLERK_CODE              VARCHAR2(15 BYTE)     NOT NULL,
TRAN_TAXABLE_AMOUNT     NUMBER(12,2),
TRAN_TAX_TOTAL          NUMBER(12,2),
TRAN_GROSS_TOTAL        NUMBER(12,2),
COUP_TOTAL              NUMBER(9,2),
MKD_TOTAL               NUMBER(9,2),
EMPLOYEE_NUMBER         VARCHAR2(15 BYTE),
EMPLOYEE_NAME           VARCHAR2(40 BYTE),
TRAN_ALTTAXABLE_AMOUNT NUMBER(12,2),
TRAN_ALTTAX_TOTAL       NUMBER(12,2),
SALE_AMOUNT             NUMBER(9,2),
RETURN_AMOUNT           NUMBER(9,2),
RETURNED_AMOUNT         NUMBER(9,2),
NETCASH                 NUMBER(12,2),
TENDER_CODE             VARCHAR2(4 BYTE),
MULT_RCPT               VARCHAR2(1 BYTE),
SPLIT_TENDER            VARCHAR2(1 BYTE),
RTN_WITH_PURCHASE       VARCHAR2(1 BYTE),
RTN_WITH_RCPT           VARCHAR2(1 BYTE),
REASON_CODE             VARCHAR2(4 BYTE),
PASSWORD                VARCHAR2(10 BYTE),
RINGTIME                DATE,
CUST_NUMBER             VARCHAR2(12 BYTE),
CUST_ID                 VARCHAR2(50 BYTE) ENCRYPT USING 'AES256' NO SALT,
ZIP_CODE                NUMBER,
POSTAL_CODE             VARCHAR2(9 BYTE),
PV_TIME_LAPSE           NUMBER,
ORIG_STORE_NBR          NUMBER,
ORIG_TRAN_DATE          DATE,
ORIG_TRAN_TYPE          VARCHAR2(4 BYTE),
ORIG_TERM_NBR           NUMBER,
ORIG_TRAN_NBR           NUMBER,
ORIG_SALE_AMT           NUMBER(12,2),
ORIG_TENDER_CODE        VARCHAR2(4 BYTE),
ORIG_CLERK_CODE         VARCHAR2(15 BYTE),
PREV_TRAN_TYPE          VARCHAR2(4 BYTE),
PREV_SUB_TRAN_TYPE      VARCHAR2(4 BYTE),
GIFT_REGISTRY_ID        VARCHAR2(25 BYTE),
NO_OF_ITEMS             NUMBER,
TAX_EXEMPT_ID           VARCHAR2(18 BYTE),
TRAN_RINGTIME           NUMBER,
AUDITED                 VARCHAR2(1 BYTE),
BATCH_VERSION           NUMBER(9,2),
BATCH_SOURCE            VARCHAR2(5 BYTE),
CREATE_DATE             DATE,
CREATE_ID               VARCHAR2(32 BYTE),
CREATE_PROC             VARCHAR2(32 BYTE),
MOD_DATE                DATE,
MOD_ID                  VARCHAR2(32 BYTE),
MOD_PROC                VARCHAR2(32 BYTE),
TERMINAL_GROUP          NUMBER,
USER_DEF_1              NUMBER,
USER_DEF_2              NUMBER,
USER_DEF_3              NUMBER,
USER_DEF_4              NUMBER(12,2),
USER_DEF_5              NUMBER(12,2),
USER_DEF_6              NUMBER(12,2),
USER_DEF_7              VARCHAR2(50 BYTE),
USER_DEF_8              VARCHAR2(50 BYTE),
USER_DEF_9              VARCHAR2(50 BYTE),
MANAGER_NUMBER          VARCHAR2(15 BYTE),
MANAGER_REASON_CODE     VARCHAR2(10 BYTE),
MANAGER_SWIPED          VARCHAR2(1 BYTE),
PHONE_NO                NUMBER(11),
KCPOS_KTH_USER_101      NUMBER,
KCPOS_KTH_USER_102      NUMBER,
KCPOS_KTH_USER_103      NUMBER,
KCPOS_KTH_USER_104      NUMBER,
KCPOS_KTH_USER_105      NUMBER,
KCPOS_KTH_USER_106      NUMBER,
KCPOS_KTH_USER_107      NUMBER,
KCPOS_KTH_USER_108      NUMBER,
KCPOS_KTH_USER_109      NUMBER,
KCPOS_KTH_USER_110      NUMBER,
KCPOS_KTH_USER_201      NUMBER(12,2),
KCPOS_KTH_USER_202      NUMBER(12,2),
KCPOS_KTH_USER_203      NUMBER(12,2),
KCPOS_KTH_USER_204      NUMBER(12,2),
KCPOS_KTH_USER_205      NUMBER(12,2),
KCPOS_KTH_USER_206      NUMBER(12,2),
KCPOS_KTH_USER_207      NUMBER(12,2),
KCPOS_KTH_USER_208      NUMBER(12,2),
KCPOS_KTH_USER_209      NUMBER(12,2),
KCPOS_KTH_USER_210      NUMBER(12,2),
KCPOS_KTH_USER_301      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_302      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_303      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_304      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_305      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_306      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_307      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_308      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_309      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_310      VARCHAR2(50 BYTE),
KCPOS_KTH_USER_401      DATE,
KCPOS_KTH_USER_402      DATE,
KCPOS_KTH_USER_403      DATE,
DISC_TOTAL              NUMBER(9,2),
RTA_RTN_AUTCOD          VARCHAR2(4 BYTE),
RTA_RTN_COMMID          NUMBER,
RTA_RTN_EVNTID          NUMBER,
RTA_RTN_QTY             NUMBER,
RTA_RTN_RCPT_SCAN       VARCHAR2(1 BYTE),
RTA_RTN_REFUND_AMT      NUMBER(9,2),
RTA_RTN_TYPE_CODE       VARCHAR2(4 BYTE),
RTA_RTN_WITH_RCPT       VARCHAR2(1 BYTE),
RTA_RTN_COUNT           INTEGER,
SDEDVAL1                VARCHAR2(50 BYTE)
)--sample data
REX_SEQ_NBR,REVISION_NUMBER,DAY,RESA_TRAN_SEQ_NO,BUSINESS_DATE,TRAN_SEQ_NBR,ORG_NUMBER,STORE_NUMBER,TRAN_DATE,TERMINAL_NUMBER,
TRAN_NUMBER,TRAN_TIME
478,1,11,12024005,6/11/2012,,1,692,6/11/2012,155,5,6/11/2012 12:57:17 PM,
479,1,11,12024006,6/11/2012,,1,692,6/11/2012,155,6,6/11/2012 2:01:51 PM,
480,1,11,12024007,6/11/2012,,1,692,6/11/2012,155,7,6/11/2012 2:47:10 PM

Assuming that SomeJavePgm is a Java stored function (not a Java program running outside the database) and that it takes as a parameter whatever data type CUST_ID is in TABLE_A (hopefully RAW but potentially VARCHAR2) and returns a string, you would call it just as you would a PL/SQL stored function
INSERT INTO table_b( cust_id, <<other columns>> )
SELECT SomeJavaPgm( a.cust_id ), <<other columns>>
    FROM table_a aIf SomeJavePgm is not a Java stored procedure, calling it from PL/SQL becomes much more complicated. You would need whatever machine hosts this program to expose an appropriate API (for example, a web service interface) that you could invoke via UTL_HTTP). You'd need to tell us what that API was, however.
Justin

Sample java program to round bigdecimal number to its nearest number

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