Çë¸÷λ¸ßÊÖ²»Áߴͽ̣¬JAVA³ÌÐòÎÊÌâ
×ܹ²Á½¸öÎļþTaxTest.javaÓëTax.java
---------------------------------------------------------------------------------------
TaxTest.java
===========================================
import javax.swing.JOptionPane;
public class TestTax{
public static void main(String[] args){
String yearString = JOptionPane.showInputDialog("Enter the year ,etc 2001 or 2002");
int year = Integer.parseInt(yearString);
Tax change = new Tax();
change.setBrackets(year);
change.setRates(year);
int[][] brackets = change.getBrackets();
double[] rates = change.getRates();
double taxableIncome = change.getTaxableIncome();
double tax = 0;
System.out.println(year + " year Ameica duty of four persons");
System.out.println("-----------------------------------------------------");
System.out.println("taxableIncome SINGLE_FILER MARRIED_JOINTLY MARRIED_SEPARATELY HEAR_OF_HOUSHOLD");
System.out.println("-----------------------------------------------------");
for(double i = taxableIncome;i <= 60000;){
System.out.println(taxableIncome );
for(int filingStatus = 0;filingStatus <= 3;filingStatus ++){
if(taxableIncome <= brackets[filingStatus][0])
tax = taxableIncome * rates[0];
else tax = brackets[filingStatus][0] * rates[0];
for(int j = 1;j < brackets[0].length;j ++){
if(taxableIncome < brackets[filingStatus][j])
tax += (brackets[filingStatus][j]-brackets[filingStatus][j-1])*rates[j];
else tax += (taxableIncome -brackets[filingStatus][j-1])*rates[j];
}
System.out.println(" " + tax);
}
taxableIncome += 1000;
System.out.println();
}
System.out.println("-----------------------------------------------------");
}
}
Tax.java
=============================================
public class Tax{
private int filingStatus = 0;
private int[][] brackets;
private double[] rates;
private double taxableIncome;
publ
Ïà¹ØÎĵµ£º
Javaѧϰ´ÓÈëÃŵ½¾«Í¨
Ò»¡¢ JDK (Java Development Kit)
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......
1¡¢JAVA¶ÁÈ¡Îļþ£¬±ÜÃâÖÐÎÄÂÒÂë¡£
/**
* ¶ÁÈ¡ÎļþÄÚÈÝ
*
* @param filePathAndName
* String Èç c:\\1.txt ¾ø¶Ô·¾¶
* @return boolean
*/
public static String readFile(String filePathAndName) {
String fileContent ......
java¼¯ºÏ¿ò¼Üͼ¼°½éÉÜ
ת×Ô:http://hi.baidu.com/%C9%AE_%CC%C6/blog/item/9e2a8b0887008a8ad0581b3d.html
¼ò»¯Í¼£º
Javaƽ̨ÌṩÁËÒ»¸öÈ«Ðµļ¯ºÏ¿ò¼Ü¡£“¼¯ºÏ¿ò¼Ü”Ö÷ÒªÓÉÒ»×éÓÃÀ´²Ù×÷¶ÔÏóµÄ½Ó¿Ú×é³É¡£²»Í¬½Ó¿ÚÃèÊöÒ»×鲻ͬÊý¾ÝÀàÐÍ¡£
Java 2¼¯ºÏ¿ò¼Üͼ
¼¯ºÏ½Ó¿Ú£º6¸ö½Ó¿Ú£¨¶ÌÐéÏß±íʾ£©£¬±íʾ²»Í ......
ͨË×Àí½âÏòÉÏתÐÍ£º
¾ÍÊÇ×ÓÀàתÐͳɸ¸Àà¡£
class A{}
class B extends A { }
A b = new B();
Õâ¸ö¾ÍÊÇÏòÉÏתÐÍ¡£
ÏòÉÏתÐÍ¿ÉÒÔÏñÏÂÃæÕâÌõÓï¾äÕâô¼òµ¥:
Shape s =new Circle();
ÕâÀ´´½¨Ò»¸öCircle¶ÔÏ ......
1, ±£Ö¤Ḭ̈߳²È«µÄÈýÖÖ·½·¨: a, ²»Òª¿çÏ̷߳ÃÎʹ²Ïí±äÁ¿b, ʹ¹²Ïí±äÁ¿ÊÇfinalÀàÐ͵Äc, ½«¹²Ïí±äÁ¿µÄ²Ù×÷¼ÓÉÏͬ²½
2, Ò»¿ªÊ¼¾Í½«ÀàÉè¼Æ³ÉḬ̈߳²È«µÄ, ±ÈÔÚºóÆÚÖØÐÂÐÞ¸´Ëü,¸üÈÝÒ×.
3, ±àд¶àÏ̳߳ÌÐò, Ê×Ïȱ£Ö¤ËüÊÇÕýÈ·µÄ, Æä´ÎÔÙ¿¼ÂÇÐÔÄÜ.
4, ÎÞ ......