1 2 2 3 4 5.............
import java.io.FileInputStream; import java.io.FileNotFoundException; import java.util.Arrays; import java.util.Scanner; public class sample{ public static void main(String args[]) throws FileNotFoundException { FileInputStream file = new FileInputStream("clusters.txt"); Scanner inputFile = new Scanner(file); while (inputFile.hasNextLine()) { String line = inputFile.nextLine( ); System.out.println("line = '" + line + "'"); final String[] array = line.split("\\s"); System.out.println(Arrays.toString(array)); int i = Integer.parseInt( array[0] ); int j = Integer.parseInt( array[1] ); System.out.println("i="+i+"j="+j); } } }
i=33j=101 i=33j=103 i=33j=104 Exception in thread "main" java.lang.NumberFormatException: For input string: "" i=34j=37 i=34j=45 i=34j=52 i=34j=57 i=34j=58 i=34j=64 i=34j=69 i=34j=70 at java.lang.NumberFormatException.forInputString(i=41j=54 NumberFormatException.java:65) i=41j=56 i=41j=58 i=41j=66 i=41j=70 i=41j=71 i=41j=78 at java.lang.Integer.parseInt(i=41j=82 Integer.java:573i=41j=84 ) i=41j=85 i=41j=86 i=41j=87 i=41j=91 i=41j=92 i=41j=93 at java.lang.Integer.parseInt(i=41j=94 Integer.java:596 i=41j=96 i=41j=106 ) i=41j=107 i=41j=108 i=41j=109 i=42j=44 i=42j=45 at sample.main(sample.java:17)
nextInt()
Scanner sc=new Scanner(new File("file location")); int a,b,c; a=sc.nextInt(); b=sc.nextInt(); System.out.println("a :"+a+" b:"+b);
var
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