For loop programs
Example 1:
print hello world ten times:
class Forloop1{ public static void main(String args[]){ int i; for(i=1;i<=10;i++){ System.out.println("Hello World"); } } }Try it Yourself
Example 2:
print number from 1 to 10:
class Number{ public static void main(String args[]){ int i; for(i=1;i<=10;i++){ System.out.println(i); } } }Try it Yourself
Example 3:
Reverse a number 1234 output 4321:
class ReverseNumber { public static void main(String[] args) { int num , reversed = 0; for(num = 1234;num != 0; num /= 10) { int digit = num % 10; reversed = reversed * 10 + digit; } System.out.println("Reversed Number: " + reversed); } }Try it Yourself
Example 4:
find sum of digits 1234:
class DigitsSum { public static void main(String[] args) { int num=1234, rem = 0, sum = 0, temp; temp = num; for (int i=0;num > 0;i++) { rem = num % 10; sum = sum + rem; num = num / 10; } System.out.print("Sum of Digits of " + temp + " is " + sum); } }Try it Yourself
Example 5:
print * pyramid pattern:
import java.io.*; class pyramid { public static void printStars(int n) { int i, j; for(i=0; iTry it Yourself
Example 6:
print char from a to z:
class Characters { public static void main(String[] args) { char c; for(c = 'A'; c <= 'Z'; ++c) System.out.print(c + " "); } }Try it Yourself
Example 7:
1 12 123 1234 12345 number pyramid:
class Numpyramid { public static void main(String[] args) { int rows = 5; for (int i = 1; i <= rows; i++) { for (int j = 1; j <= i; j++) { System.out.print(j+" "); } System.out.println(); } } }Try it Yourself
Example 8:
print 5 table:
class Multiplication_Table { public static void main(String[] args) { int n=5; for(int i=1; i <= 10; i++) { System.out.println(n+" * "+i+" = "+n*i); } } }Try it Yourself