code added

srishti

@@ -0,0 +1,68 @@
+public class VariousNumbers {  
+ public static void main(String[] args) {  
+  System.out.println("Armstrong Numbers 1 to 10000 >>");  
+  for (int i = 1; i <= 10000; i++) {  
+   if (Armstrong(i) == true) {  
+    System.out.print(i + " ");  
+   }  
+  }  
+  System.out.println("\nPalindrome Numbers 100 to 300 >>");  
+  for (int i = 100; i <= 300; i++) {  
+   if (Palindrome(i) == true) {  
+    System.out.print(i + " ");  
+   }  
+  }  
+  System.out.println("\nPrime Numbers up to 100 >>");  
+  for (int i = 1; i <= 100; i++) {  
+   if (Prime(i) == true) {  
+    System.out.print(i + " ");  
+   }  
+  }  
+ }  
+ public static boolean Armstrong(int num) {  
+  int num1 = num;  
+  /* Converting Integer to String. It'll help to find number of 
+  digits in the Integer by using length() */  
+  String str = Integer.toString(num);  
+  int rem;  
+  int result = 0;  
+  while (num > 0) {  
+   rem = num % 10;  
+   num = num / 10;  
+   result = result + ((int) Math.pow(rem, str.length()));  
+  }  
+  if (result == num1) {  
+   return true;  
+  } else {  
+   return false;  
+  }  
+ }  
+ public static boolean Palindrome(int num) {  
+  int num1 = num;  
+  int rem;  
+  int result = 0;  
+  while (num > 0) {  
+   rem = num % 10;  
+   num = num / 10;  
+   result = (result + rem) * 10;  
+  }  
+  result /= 10;  
+  if (result == num1) {  
+   return true;  
+  } else {  
+   return false;  
+  }  
+ }  
+ public static boolean Prime(int num) {  
+  if (num < 2) {  
+   return false;  
+  }  
+  int div = num / 2;  
+  for (int i = 2; i <= div; i++) {  
+   if (num % i == 0) {  
+    return false;  
+   }  
+  }  
+  return true;  
+ }  
+}