-1
代碼是這樣的:掃描儀對字符串和int
import java.util.Scanner;
公共類Prelab1 {
public static void main(String[] args)
{
int programcase = 0;
Scanner inputscan = new Scanner(System.in);
System.out.print("Enter case number: ");
programcase = inputscan.nextInt();
switch(programcase)
{
case 1:
{
////////////////////////////////////////////////////////////////////////////////////
//WRITE THE CODE OF CASE 1 HERE
Scanner scan = new Scanner(System.in);
System.out.println("Enter first student's name: ");
String name1 = scan.nextLine();
System.out.println("Enter " + name1 + "'s first grade: ");
int firstGrade = scan.nextInt();
System.out.println("Enter " + name1 + "'s second lab grade: ");
int secondGrade = scan.nextInt();
System.out.println("Enter " + name1 + "'s third lab grade: ");
int thirdGrade = scan.nextInt();
System.out.println("Enter " + name1 + "'s fourth lab grade: ");
int fourthGrade = scan.nextInt();
System.out.println("Enter second student's name: ");
int name2 = scan.nextInt();
System.out.println("Enter " + name2 + "'s first lab grade: ");
int secondfirstGrade = scan.nextInt();
System.out.println("Enter " + name2 + "'s second lab grade: ");
int secondsecondGrade = scan.nextInt();
System.out.println("Enter " + name2 + "'s third lab grade: ");
int secondthirdGrade = scan.nextInt();
System.out.println("Enter " + name2 + "'s fourth lab grade: ");
int secondfourthGrade = scan.nextInt();
System.out.println("/+CENG 111 Course Student List+" + "\\");
System.out.println("Name\t\t\t/Lab1\t/Lab2\t/Lab3\t/Lab4");
System.out.println(name1 + "\t\t\t/" + firstGrade + "\t/" + secondGrade + "\t/" + thirdGrade + "\t/" + fourthGrade);
System.out.println(name2 + "\t\t\t/" + secondfirstGrade + "\t/" + secondsecondGrade + "\t/" + secondthirdGrade + "\t/" + secondfourthGrade);
scan.close();
它仍在繼續,但它不是我important.When運行一切順利,但在那裏,它說: 進入第二個學生的名字: 進入第二個學生實驗室級:
因此,它不等我寫出它跳到另一個問題的名稱。我該如何解決這個問題?
「這是掃描儀類的錯誤行爲。」不,這不對。你的答案根本錯誤。 – Seelenvirtuose
*「無法正確清除緩衝區」*只有在能夠正確使用此類的情況下才能這樣做。閱讀JavaDoc(也許一些教程)應該可以幫助你。 – Tom