diff options
Diffstat (limited to 'sem5/oop/m2/opg2/src/Lines.java')
-rw-r--r-- | sem5/oop/m2/opg2/src/Lines.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sem5/oop/m2/opg2/src/Lines.java b/sem5/oop/m2/opg2/src/Lines.java new file mode 100644 index 0000000..ed1f420 --- /dev/null +++ b/sem5/oop/m2/opg2/src/Lines.java @@ -0,0 +1,71 @@ +import java.util.ArrayList; +import java.io.IOException; +import java.io.EOFException; +import java.io.FileReader; +import java.io.BufferedReader; +import java.util.Scanner; +import java.io.PrintStream; + +public class Lines { + + private ArrayList<int[]> lines; + + public Lines(String loadpath) throws IOException, LoadException { + this.lines = new ArrayList<int[]>(); + FileReader f = null; + BufferedReader buff = null; + try { + f = new FileReader(loadpath); + buff = new BufferedReader(f); + + String line; + while((line = buff.readLine()) != null) { + this.readRow(line); + } + + } finally { + if (f != null) { + f.close(); + } + } + } + + void readRow(String line) throws LoadException { + // you are a pirate + int[] arr = new int[10]; + + + int i; + Scanner sc = null; + try { + sc = new Scanner(line); + for (i = 0; i < 10; i++) { + if (!sc.hasNextInt()) { + break; + } + int n = sc.nextInt(); + // OPG 3 + if (n > 90) { + throw new LoadException(n, "is above 90"); + } + // OPG 4 + //a assert (n <= 90) : "is above 90"; + arr[i] = n; + } + } finally { + sc.close(); + } + if (i > 0) { + lines.add(arr); + } + } + + public void print(PrintStream out) { + for (int[] arr : this.lines) { + for (int i : arr) { + out.printf("%-3d ", i); + } + out.print(System.lineSeparator()); + } + } +} |