摘要：
import java.text.DecimalFormat;
import java.util.Random;
public class DecimalFormatDemo {
/**
* 简单格式化
* @param pattern
* @param value
*/
public static void SimpleFormat(String pattern,double value)
{
DecimalFormat myFormat = new DecimalFormat(pattern);
String output = myFormat.format(value);
System.out.println(value + " "+ pattern + " "+ output);
}
/**
* 使用applyPattern()方法对数字进行格式化
* @param pattern
* @param value
*/
static public void UseApplyP 阅读全文
posted @ 2010-08-28 21:21
叮当小马
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摘要：
public class JavaType {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
//summation
String str[] = {"89","12","10","18"};
int sum = 0;
for(int i=0;istr.length;i++)
{
int myint = Integer.parseInt(str[i]);
sum += myint;
}
System.out.println("数组中的各种元素之和为："+ sum);
//charac
String str1 = Integer.toString(456);
String str2 = Integer.toBinaryString(456);
String str3 = Integer.toHexString(456);
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posted @ 2010-08-28 21:19
叮当小马
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