Abnormal case of input in java

Asked Mar 23 '17 at 13:48

Active Mar 23 '17 at 13:48

Viewed 25 times

Here is my problem:

      Scanner input = new Scanner(System.in);
      int[] firstline = new int[3];
      for(int i=0;i<3;i++){
        System.out.print("The first line: ");
        firstline[i] = input.nextInt();
      }
      String[] array0 = new String[3];
      String[] array1 = new String[3];
      for(int lim=0;lim<2;lim++){
      for(int i=0;i<3;i++){
        System.out.print("array"+lim+"["+i+"]: ");
        if(lim == 0){
          array0[i] = input.nextLine();
        }else{
          array1[i] = input.nextLine();
        }
        }
      }
      System.out.print(array0[0]);

When I compiled it, fine. But when I ran it:

array0[0] didn't allow me to type in. While others worked fine. I have run in Dr.java and Intellij and they gave me the same result

Does anyone have an explanation? Thanks first in advance.

asked Mar 23 '17 at 13:48

Nguyễn Thế Vinh

Since you are mixing `nextInt()`, with `nextLine()`, the first `nextLine()` is wasted. You can fix this by adding `input.nextLine();` after you are done with all the `nextInt()` calls - for example after `String[] array1 = new String[3];`. – RaminS Mar 23 '17 at 13:50
your code is working perfectly fine in eclipse IDE. – shreyansh jogi Mar 23 '17 at 13:51
thanks a lot, i have never expected that it will be this way – Nguyễn Thế Vinh Mar 23 '17 at 13:52

Abnormal case of input in java

0 Answers0