Pascal 's Triangle | Java code for Pascal 's Triangle ; binomialCoeff ; Function to print first n lines of Pascal 's Triangle ; Iterate through every line and print entries in it ; Every line has number of integers equal to line number ; Driver code
import java . io . * ; class GFG { static int binomialCoeff ( int n , int k ) { int res = 1 ; if ( k > n - k ) k = n - k ; for ( int i = 0 ; i < k ; ++ i ) { res *= ( n - i ) ; res /= ( i + 1 ) ; } return res ; } static void printPascal ( int n ) { for ( int line = 0 ; line < n ; line ++ ) { for ( int i = 0 ; i <= line ; i ++ ) System . out . print ( binomialCoeff ( line , i ) + " ▁ " ) ; System . out . println ( ) ; } } public static void main ( String args [ ] ) { int n = 7 ; printPascal ( n ) ; } }