Java Conditional Statement Exercises: Display Pascal's triangle
Java Conditional Statement: Exercise-22 with Solution
Write a Java program to display Pascal's triangle.
Test Data
Input number of rows: 5
Pictorial Presentation:
Sample Solution:
Java Code:
import java.util.Scanner;
public class Exercise22 {
public static void main(String[] args)
{
int no_row,c=1,blk,i,j;
System.out.print("Input number of rows: ");
Scanner in = new Scanner(System.in);
no_row = in.nextInt();
for(i=0;i<no_row;i++)
{
for(blk=1;blk<=no_row-i;blk++)
System.out.print(" ");
for(j=0;j<=i;j++)
{
if (j==0||i==0)
c=1;
else
c=c*(i-j+1)/j;
System.out.print(" "+c);
}
System.out.print("\n");
}
}
}
Sample Output:
Input number of rows: 5 1 1 1 1 2 1 1 3 3 1 1 4 6 4 1
Flowchart:
Java Code Editor:
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Next: Write a java program to generate a following *'s triangle.
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