Java 3 - fibbonacci

import java.util.Scanner;
public class LabTask3 
{ 
public static void main(String args[]) 
{ 
int n1=0,n2=1,n3;
Scanner sc=new Scanner(System.in);
System.out.println("Enter 'k' value:");
int k=sc.nextInt(); 
System.out.println(n1+" "+n2);
for(int i=2;i<k;i++) 
 { 
 n3=n1+n2; 
System.out.println(" "+n3); 
 n1=n2; 
 n2=n3; 
 } 
} 
}