Merge pull request tarunsinghofficial#404 from raksharaj83/patch-3

PascalTriangle

Java_Programs_for_beginners/PascalTriangle

@@ -0,0 +1,34 @@
+import java.util.Scanner;
+public class JavaExample {
+ static int fact(int num) {
+ int factorial;
+
+ for(factorial = 1; num > 1; num--){
+ factorial *= num;
+ }
+ return factorial;
+ }
+ static int ncr(int n,int r) {
+ return fact(n) / ( fact(n-r) * fact(r) );
+ }
+ public static void main(String args[]){
+ int rows, i, j;
+
+ //getting number of rows from user
+ System.out.println("Enter number of rows:");
+ Scanner scanner = new Scanner(System.in);
+ rows = scanner.nextInt();
+ scanner.close();
+
+ System.out.println("Pascal Triangle:");
+ for(i = 0; i < rows; i++) {
+ for(j = 0; j < rows-i; j++){
+ System.out.print(" ");
+ }
+ for(j = 0; j <= i; j++){
+ System.out.print(" "+ncr(i, j));
+ }
+ System.out.println();
+ }
+ }
+}