Array Formation HackerEarth
import java . util .*; import java . util . LinkedList ; import java . util . Queue ; class PrimeChecker { Queue < Integer > q ; Stack < Integer > stack ; Stack < Integer > stack1 ; public PrimeChecker (){ q = new LinkedList < Integer >(); stack = new Stack < Integer >(); } public void isPrime ( int num ){ boolean b = true ; for ( int i = 2 ; i <= num / 2 ; i ++) { int temp = num % i ; if ( temp == 0 ) { b = false ; break ; } } if ( b ){ //System.out.println(num + " is a Prime Number"); q . add ( num ); } else { //System.out.println(num + " is not a Prime Number"); stack . push ( num ); } } // This is checked so that we can skip // middle five numbers in below loop public void toPrint (){ //System.out.println(/*"Queue is: "+*/ q); //System.out.println(/*...