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33 lines (31 loc) · 725 Bytes
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package other;
import java.util.Scanner;
/**
* 把陀峰命名改为下划线命名
* 输入:
* SensorsData
*
* 输出:
* sensors_data
*/
public class ShenCe1 {
public static void main(String[] args){
Scanner scanner=new Scanner(System.in);
String str=scanner.nextLine();
String ret="";
for(int i=0;i<str.length();i++){
char ch=str.charAt(i);
if((ch>='A'&&ch<='Z')){
char tmp=(char)((int)ch+32);
if(i==0){
ret+=tmp;
}else{
ret+="_"+tmp;
}
}else{
ret+=ch;
}
}
System.out.println(ret);
}
}