在java中如何把阿拉伯数字转化为中文读法（面试算法题）

重点在于0的处理，还有繁杂的字符、字符串、整数之间的转化，那些方法要记牢。

package algorithm;

import java.util.*;

public class Solution {

static char[] numArr = {'零','一','二','三','四','五','六','七','八','九'};

static String[] unitArr = {"","十","百","千","万"};

public static String numToChinese(int num) {

char[] newNum = String.valueOf(num).toCharArray();

int len = newNum.length;

StringBuilder res = new StringBuilder();

for(int i=0;i

int temp = Integer.parseInt(String.valueOf(newNum[i]));

boolean zeroFlag = temp==0 ? true : false;

if(zeroFlag) {

while(i

i++;

if(i!=len-1) {

res.append(numArr[0]);

}

}else {

res.append(numArr[temp]);

res.append(unitArr[len-i-1]);

}

}

return res.toString();

}

public static void main(String[] args) {

System.out.print(numToChinese(12345));

System.out.print("\n");

System.out.print(numToChinese(10000));

System.out.print("\n");

System.out.print(numToChinese(10001));

System.out.print("\n");

System.out.print(numToChinese(10100));

System.out.print("\n");

System.out.print(numToChinese(10101));

System.out.print("\n");

System.out.print(numToChinese(20890));

}

}

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