Examples of java.util.Scanner.nextInt()

java.util.Scanner.nextInt()
Scans the next token of the input as an int.
An invocation of this method of the form nextInt() behaves in exactly the same way as the invocation nextInt(radix), where radix is the default radix of this scanner. @return the int scanned from the input @throws InputMismatchException if the next token does not match the Integer regular expression, or is out of range @throws NoSuchElementException if input is exhausted @throws IllegalStateException if this scanner is closed

        scanner.nextLine();
        /* Read the line with useful dimensions: */
        scanner.next();
        rows = scanner.nextInt();
        cols = scanner.nextInt();
        vals = scanner.nextInt();
        num_mat = scanner.nextInt();
        scanner.nextLine();
        if (num_mat != 0) {
            throw new Error("svdLoadSparseTextHBFile: I don't know how to handle a file "
                    + "with elemental matrices (last entry on header line 3)");

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        /* Read the line with useful dimensions: */
        scanner.next();
        rows = scanner.nextInt();
        cols = scanner.nextInt();
        vals = scanner.nextInt();
        num_mat = scanner.nextInt();
        scanner.nextLine();
        if (num_mat != 0) {
            throw new Error("svdLoadSparseTextHBFile: I don't know how to handle a file "
                    + "with elemental matrices (last entry on header line 3)");
        }

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        S = new SMat(rows, cols, vals);


        /* Read column pointers. */
        for (i = 0; i <= S.cols; i++) {
            x = scanner.nextInt();
            S.pointr[i] = x - 1;
        }
        S.pointr[S.cols] = S.vals;


        /* Read row indices. */

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        }
        S.pointr[S.cols] = S.vals;


        /* Read row indices. */
        for (i = 0; i < S.vals; i++) {
            x = scanner.nextInt();
            S.rowind[i] = x - 1;
        }
        for (i = 0; i < S.vals; i++) {
            S.value[i] = scanner.nextDouble();
        }

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  public static final int NIL = Integer.MAX_VALUE;


  public static Graph parse(String s) {
    Scanner in = new Scanner(s);
    int N = in.nextInt();
    int M = in.nextInt();
    Graph g = new Graph(N);
    for (int m = 0; m < M; m++) {
      int a = in.nextInt() - 1;
      int b = in.nextInt() - 1;

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  public static final int NIL = Integer.MAX_VALUE;


  public static Graph parse(String s) {
    Scanner in = new Scanner(s);
    int N = in.nextInt();
    int M = in.nextInt();
    Graph g = new Graph(N);
    for (int m = 0; m < M; m++) {
      int a = in.nextInt() - 1;
      int b = in.nextInt() - 1;
      int c = in.nextInt();

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    Scanner in = new Scanner(s);
    int N = in.nextInt();
    int M = in.nextInt();
    Graph g = new Graph(N);
    for (int m = 0; m < M; m++) {
      int a = in.nextInt() - 1;
      int b = in.nextInt() - 1;
      int c = in.nextInt();
      g.cost[a][b] = c;
      g.cost[b][a] = c;
    }

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    int N = in.nextInt();
    int M = in.nextInt();
    Graph g = new Graph(N);
    for (int m = 0; m < M; m++) {
      int a = in.nextInt() - 1;
      int b = in.nextInt() - 1;
      int c = in.nextInt();
      g.cost[a][b] = c;
      g.cost[b][a] = c;
    }
    return g;

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    int M = in.nextInt();
    Graph g = new Graph(N);
    for (int m = 0; m < M; m++) {
      int a = in.nextInt() - 1;
      int b = in.nextInt() - 1;
      int c = in.nextInt();
      g.cost[a][b] = c;
      g.cost[b][a] = c;
    }
    return g;
  }

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                return;
            }
            Scanner ls = new Scanner(line);
            while (ls.hasNext()) {
                try {
                    kr.msg[kr.msgFill++] = (byte) ls.nextInt(16);
                } catch (Exception e) {
                    System.out.println("Msg data: " + line);
                    e.printStackTrace();
                    System.exit(1);
                }

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