Basic Programs

Author: sathishmepco

InterviewPrograms/src/com/java/basic/AddWithoutPlus.java

@@ -2,7 +2,7 @@
 
 /*
  * Add two numbers a,b without using + operator
- * 
+ * --------------------------------------------
  * Use bitwise operators instead of using + operator
  * bitwise and = &
  * XOR operator = ^

InterviewPrograms/src/com/java/basic/DigitsOfNumber.java

@@ -4,8 +4,8 @@
 import java.util.Scanner;
 
 /*
- * 	Digits of a Given Number
- * 
+ * Digits of a Given Number
+ * -------------------------
  * For any positive number print the digits
  * of the number.
  * 

InterviewPrograms/src/com/java/basic/Divisors.java

@@ -4,8 +4,9 @@
 import java.util.TreeSet;
 
 /*
- * 	Divisors of N
- *	
+ * Divisors of N
+ * -------------
+ * 
  * This program finds all the divisors of the
  * Given number N
  *	
@@ -18,7 +19,6 @@
  */
 
 public class Divisors {
-	
 	public static void main(String[] args) {
 		Scanner scanner = new Scanner(System.in);
 		System.out.println("Enter the N value : ");

InterviewPrograms/src/com/java/basic/EvenOrOdd.java

@@ -3,14 +3,14 @@
 import java.util.Scanner;
 
 /*
- * 		EVEN OR ODD
- * 
- * 	Divide the given number by 2 
- *  If the reminder is 0 then its EVEN
- *  If the reminder is 1 then its ODD
+ * EVEN OR ODD
+ * ------------
+ * Divide the given number by 2 
+ * If the reminder is 0 then its EVEN
+ * If the reminder is 1 then its ODD
  *  
- *  22 EVEN number
- *  23 ODD number
+ * 22 EVEN number
+ * 23 ODD number
  *  
  */
 public class EvenOrOdd {

InterviewPrograms/src/com/java/basic/Factorial.java

@@ -3,8 +3,8 @@
 import java.util.Scanner;
 
 /*
- * 	Factorial
- * 
+ * Factorial
+ * ----------
  * In mathematics, the factorial of a positive integer n, 
  * denoted by n!, is the product of all positive integers 
  * less than or equal to n:
@@ -31,8 +31,8 @@ public static void main(String[] args) {
 		for(int i=1; i<=N; i++)
 			result = result * i;
 
-		String output = String.format("Factorial of %d is %d", N,result);
-		System.out.println(output);
+		System.out.print("Factorial of "+N);
+		System.out.print(" is "+result);
 		scanner.close();
 	}
 }

InterviewPrograms/src/com/java/basic/FactorialUsingRecursion.java

@@ -3,8 +3,8 @@
 import java.util.Scanner;
 
 /*
- * 	Factorial Using Recursion
- * 
+ * Factorial Using Recursion
+ * --------------------------
  * In mathematics, the factorial of a positive integer n, 
  * denoted by n!, is the product of all positive integers 
  * less than or equal to n:

InterviewPrograms/src/com/java/basic/FactorsOfANumber.java

@@ -3,7 +3,8 @@
 import java.util.Scanner;
 
 /*
- * 	Factors of a Given Number
+ * Factors of a Given Number
+ * --------------------------
  * 
  * A number which divides the given number and gives
  * reminder as zero, then that number is called as Factor.
@@ -13,9 +14,9 @@
  * 
  * say Given number is 40, factors are
  * 1, 2, 4, 5, 8, 10, 20, 40
+ * 
  */
 public class FactorsOfANumber {
-
 	public static void main(String[] args) {
 		Scanner scanner = new Scanner(System.in);
 		System.out.println("Enter any positive integer :: ");

InterviewPrograms/src/com/java/basic/FindTheSmallest.java

@@ -1,7 +1,7 @@
 package com.java.basic;
 /*
  * Find the Smallest of 3 (a,b,c) without using < or > symbol
- * 
+ * ----------------------------------------------------------
  * Mostly to find max or min we use < or > symbol
  * But here without using < or > symbol how to find smallest
  * 

InterviewPrograms/src/com/java/basic/LeapYear.java

@@ -3,10 +3,11 @@
 import java.util.Scanner;
 
 /*
- * 		LEAP YEAR
- * 	This program is to check the given number is leap year or not.
+ * LEAP YEAR
+ * ---------
+ * This program is to check the given number is leap year or not.
  *
- * 	Leap Year Conditions
+ * Leap Year Conditions
  * 1. Year should be divisible by 4
  * 2. If it is divisible by 100 then should be divisible by 400
  * 3. If both conditions are not satisfied, then given input is not leap year.

InterviewPrograms/src/com/java/basic/PositiveOrNegative.java

@@ -3,16 +3,16 @@
 import java.util.Scanner;
 
 /*
- * 	Positive Or Negative
- * 
- *	An integer is a whole number that can be either 
- * 	greater than 0, called positive, or less than 0, 
- * 	called negative. 
+ * Positive Or Negative
+ * ---------------------
+ * An integer is a whole number that can be either 
+ * greater than 0, called positive, or less than 0, 
+ * called negative. 
  * 	
  * Zero is neither positive nor negative. 
  * 
- *  100 is Positive Number
- *  -22 is Negative Number
+ * 100 is Positive Number
+ * -22 is Negative Number
  *  
  */
 public class PositiveOrNegative {