class Fibonacci {
public static void main(String args[]) {
int n = 10;
int[] fib = new int[n + 1];
fib[0] = 0;
fib[1] = 1;
System.out.println("Fibonacci series:");
for (int i = 2; i <= n; i++) {
fib[i] = fib[i - 1] + fib[i - 2];
System.out.print(fib[i] + " ");
}
}
}
Q2. Write a Java program to print the following pyramid:1
12
123
1234
12345
Solution:class Pyramid {
public static void main(String[] args) {
for (int i = 1; i <= 5; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j);
}
System.out.println();
}
}
}