AmitDiwan has Published 5414 Answers

Java Program to Find the Number Occurring Odd Number of Times

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:33:24
To find the number occurring odd number of times, the Java code is as follows −Example Live Demopublic class Demo {    static int odd_occurs(int my_arr[], int arr_size){       int i;       for (i = 0; i < arr_size; i++){          int count = ... Read More

Java Program to Find the closest pair from two sorted arrays

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:31:46
To find the closest pair from two sorted array, the Java code is as follows −Example Live Demopublic class Demo {    void closest_pair(int my_arr_1[], int my_arr_2[], int arr_1_len, int arr_2_len, int sum){       int diff = Integer.MAX_VALUE;       int result_l = 0, result_r = 0;   ... Read More

Java Program to Find sum of even factors of a number

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:29:46
To find sum of even factors of a number, the Java code is as follows −Example Live Demoimport java.util.*; import java.lang.*; public class Demo{    public static int factor_sum(int num){       if (num % 2 != 0)       return 0;       int result = 1; ... Read More

Java Program to find reminder of array multiplication divided by n

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:27:48
To find reminder of array multiplication divided by n, the Java code is as follows −Example Live Demoimport java.util.*; import java.lang.*; public class Demo{    public static int remainder(int my_arr[], int arr_len, int val){       int mul_val = 1;       for (int i = 0; i < ... Read More

Java Program to find Product of unique prime factors of a number

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:24:47
To find product of unique prime factors of a number, the Java code is as follows −Example Live Demopublic class Demo {    public static long prime_factors(int num){       long my_prod = 1;       for (int i = 2; i <= num; i++){         ... Read More

Java Program to find minimum sum of factors of a number

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:23:23
To find minimum sum of factors of a number, the Java code is as follows −Example Live Demopublic class Demo {    static int minimum_sum(int num){       int my_sum = 0;       for (int i = 2; i * i <= num; i++){         ... Read More

Java program to expand a String if range is given?

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:21:19
To expand a String if range is given, the Java code is as follows −Example Live Demopublic class Demo {    public static void expand_range(String word) {       StringBuilder my_sb = new StringBuilder();       String[] str_arr = word.split(", ");       for (int i = 0; ... Read More

Java program to delete certain text from a file

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:17:35
To delete certain text from a file in Java, let us see the following code snippet −ExampleFile input_file = new File("path to the .txt file"); File temp_file = new File("path to the .txt file"); BufferedReader my_reader = new BufferedReader(new FileReader(input_file)); BufferedWriter my_writer = new BufferedWriter(new FileWriter(temp_file)); String lineToRemove = "string ... Read More

Java Program to Count trailing zeroes in factorial of a number

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:15:20
To count trailing zeroes in factorial of a number, the Java code is as follows −Example Live Demoimport java.io.*; public class Demo{    static int trailing_zero(int num){       int count = 0;       for (int i = 5; num / i >= 1; i *= 5){   ... Read More

Java program to count the occurrence of each character in a string using Hashmap

AmitDiwan
AmitDiwan
Published on 08-Jul-2020 15:14:09
To count the occurrence of each character in a string using Hashmap, the Java code is as follows −Example Live Demoimport java.io.*; import java.util.*; public class Demo{    static void count_characters(String input_str){       HashMap<Character, Integer> my_map = new HashMap<Character, Integer>();       char[] str_array = input_str.toCharArray();     ... Read More
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