JAVA面试精选[Java算法与编程二](四)

2014-11-24 07:25:51 · 作者: · 浏览: 3
) *1000),
(int)(Math.random() * 1000)
};
System.out.println(a);
System.out.println(Arrays.toString(a));
swap(a);
System.out.println(Arrays.toString(a));
}
public static void swap(int a[]){
int len = a.length;
for(int i=0;i
int tmp = a[i];
a[i] = a[len-1-i];
a[len-1-i] = tmp;
}
}
}
12.金额转换,阿拉伯数字的金额转换成中国传统的形式如:(¥1011)->(一千零一拾一元整)输出。
去零的代码:
returnsb.reverse().toString().replaceAll("零[拾佰仟]","零").replaceAll("零+万","万").replaceAll("零+元","元").replaceAll("零+","零");
public class RenMingBi {
/**
* @param args add by zxx ,Nov 29, 2008
*/
private static finalchar[] data = new char[]{
'零','壹','贰','叁','肆','伍','陆','柒','捌','玖'
};
private static finalchar[] units = new char[]{
'元','拾','佰','仟','万','拾','佰','仟','亿'
};
public static voidmain(String[] args) {
// TODOAuto-generated method stub
System.out.println(
convert(135689123));
}
public static Stringconvert(int money)
{
StringBuffersbf = new StringBuffer();
int unit = 0;
while(money!=0)
{
sbf.insert(0,units[unit++]);
intnumber = money%10;
sbf.insert(0,data[number]);
money/= 10;
}
returnsbf.toString();
}
}