For loop:
The syntax of a for loop looks like this:
/* for (initialize; check_bool_expression; update){
//code;
} */A for loop is usually used to execute a piece of code for a specific number of times.
Quick Quiz: Write a program to print first n odd numbers using a for loop.
Decrementing for loop
for (i=7; i!=0; i--){
System.out.println(i);
}This for loop keeps running until i becomes 0.
Quick Quiz: Write a program to print first n natural numbers in reverse order.
package com.company;
public class cwh_23_for_loop {
public static void main(String[] args) {
// for (int i=1; i<=10; i++){
// System.out.println(i);
// }
// 2i = Even Numbers = 0, 2, 4, 6, 8
// 2i+1 = Odd Numbers = 1, 3, 5, 7, 9
//int n = 3;
//for (int i =0; i<n; i++){
// System.out.println(2*i+1);
//}
for(int i=5; i!=0; i--){
System.out.println(i);
}
}
}