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CircleNumber.java
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26 lines (24 loc) · 606 Bytes
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package cn.magicdu.algorithm;
public class CircleNumber {
public static void main(String[] args) {
for(int i=10;i<10000;i++){
if(isCircleNumber(i)){
System.out.println(i);
}
}
}
/**
* 判断是否是回文数字
* @param num
* @return
*/
private static boolean isCircleNumber(int num) {
int oldValue=num;
int newValue=0;
while(num>0){
newValue=newValue*10+num%10; //得到一位数字
num/=10;//num减少一位
}
return oldValue==newValue;
}
}