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Java.Util Package Articles
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Find all divisors of a natural number in java
Following is the Java program which prints all the divisors of a given number.Programimport java.util.Scanner; public class DivisorsOfNaturalNumber { public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.println("Enter required number :"); int num = sc.nextInt(); for(int i = 1; i
Read MoreCheck if a large number is divisible by 3 or not in java
If the sum of the digits of a number is divisible by 3, then the number is divisible by 3.Some examples of numbers divisible by 3 are as follows.The number 85203 is divisible by 3 because the sum of its digits (8 + 5 + 2 + 0 + 3 = 18) is divisible by 3.The number 79154 is not divisible by 3 because the sum of its digits (7 + 9 + 1 + 5 + 4 = 26) is not divisible by 3.Programimport java.util.Scanner; public class DivisibleBy3 { public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.println("Enter a number :"); String num = sc.nextLine(); int digitSum = 0; for(int i = 0; i
Read MoreCheck if a large number is divisible by 11 or not in java
A number is divisible by 11 if the difference between the sum of its alternative digits is divisible by 11.i.e. if (sum of odd digits) – ( sum of even digits) is 0 or divisible by 11 then the given number is divisible by 11.Programimport java.util.Scanner; public class DivisibleBy11 { public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.println("Enter a number :"); String num = sc.nextLine(); int digitSumEve = 0; int digitSumOdd = 0; for(int i = 0; i
Read MoreGCD and LCM of two numbers in Java
Following is an example which computes find LCM and GCD of two given numbers.Programimport java.util.Scanner; public class LCM_GCD { public static void lcm(int a, int b){ int max, step, lcm = 0; if(a > b){ max = step = a; } else{ max = step = b; } while(a!= 0) { if(max%a == 0 && max%b == 0) { lcm = max; break; } max += step; } System.out.println("LCM of given numbers is :: "+lcm); } public static void gcd(int a,int b){ int i, hcf = 0; for(i = 1; i
Read MoreSum of all proper divisors of a natural number in java
Following is the Java program which prints all the sum of all the divisors of a given number.
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