好的,所以我有這個非常簡單,非常低效的程序,但是沒關係,我想知道的唯一方法是如何在不更改ssn1到ssn5的值的情況下將隊列的前五個數字打印爲零。如何從整數隊列轉換爲字符串?
例如,我想打印000001111而不是111111111,但仍將這些值存儲在隊列中。有人可以幫助我嗎?我只是想隱藏它們。
我想將隊列的整數轉換爲一個字符串,創建一個子字符串,然後打印dummyint五次,然後是子字符串。
import java.util.*;
public class SSNQueue {
public static void main (String args[]) {
Scanner scan = new Scanner(System.in);
Queue<Integer> ssn = new LinkedList<Integer>();
int Dummyssn = 0;
System.out.println("Please enter each digit number of SSN");
System.out.print("Enter digit number 1: ");
int ssn1 = scan.nextInt();
System.out.print("Enter digit number 2: ");
int ssn2 = scan.nextInt();
System.out.print("Enter digit number 3: ");
int ssn3 = scan.nextInt();
System.out.print("Enter digit number 4: ");
int ssn4 = scan.nextInt();
System.out.print("Enter digit number 5: ");
int ssn5 = scan.nextInt();
System.out.print("Enter digit number 6: ");
int ssn6 = scan.nextInt();
System.out.print("Enter digit number 7: ");
int ssn7 = scan.nextInt();
System.out.print("Enter digit number 8: ");
int ssn8 = scan.nextInt();
System.out.print("Enter digit number 9: ");
int ssn9 = scan.nextInt();
ssn.add(ssn1);
ssn.add(ssn2);
ssn.add(ssn3);
ssn.add(ssn4);
ssn.add(ssn5);
ssn.add(ssn6);
ssn.add(ssn7);
ssn.add(ssn8);
ssn.add(ssn9);
Integer.toString(ssn);
String Subssn = ssn.substring(5);
System.out.println("The SSN is:" + ssn);
System.out.println("The last four digits of the SSN are:" + Dummyssn + Dummyssn + Dummyssn + Dummyssn + Dummyssn + Subssn);
}
}
是的,這看起來像我會做,但我不知道如何做到這一點。就像是? for(String ssn:queue){ System.out.println(ssn.toString()); } – user2155190 2013-04-25 15:04:48
等待,我不能只從隊列中刪除前五個,用零替換它們,然後打印? – user2155190 2013-04-25 15:19:22