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Articles by AmitDiwan
Page 618 of 840
Precision Handling in Java
Let us see how precisions are handled in Java −Exampleimport java.io.*; import java.lang.*; public class Demo{ public static void main(String[] args){ double my_val = 34.909; System.out.println("The formatted value of 34.909 is "); System.out.println(String.format("%.7f", my_val)); double my_val_2 = 12.56; System.out.println("The formatted value of 12.56 is "); System.out.println(String.format("%.9f", my_val_2)); } }OutputThe formatted value of 34.909 is 34.9090000 The formatted value of 12.56 is 12.560000000A class named Demo contains the main function, where a double valued integer is declared, and it is formatted ...
Read MoreStructure and Members of the Java Program
While writing any piece of code in Java, there is a certain set of rules and regulations that need to be followed, that is considered as a standard. For example − A class contains variables, and functions. The functions can be used to work with the variables. Classes can be extended, and improvised too.Basic structureList of packages that are imported; public class { Constructor (can be user defined or implicitly created) { Operations that the constructor should perform; } Data elements/class data members; User-defined functions/methods; public static void main (String ...
Read MoreSum of list with stream filter in Java
To get sum of list with stream filter in Java, the code is as follows −Exampleimport java.util.*; public class Demo { public static void main(String[] args) { List my_list = new ArrayList(); my_list.add(11); my_list.add(35); my_list.add(56); my_list.add(78); my_list.add(91); System.out.println(sum(my_list)); } public static int sum(List my_list) { System.out.println("In the main function, the sum of list with filter is "); return my_list.stream().filter(i -> i > 5).mapToInt(i -> i).sum(); } }OutputIn ...
Read MoreHow to input multiple values from user in one line in Java?
To input multiple values from user in one line, the code is as follows −Exampleimport java.util.Scanner; public class Demo { public static void main(String[] args) { System.out.print("Enter two floating point values : "); Scanner my_scan = new Scanner(System.in); double double_val = my_scan.nextFloat(); int int_val = my_scan.nextInt(); System.out.println("The floating point value is : " + double_val + " and the integer value is : " + int_val); } }Input56.789 99OutputEnter two floating point values : The floating point value is : ...
Read MoreMethod Overloading and Ambiguity in Varargs in Java
There are ambiguities while using variable arguments in Java. This happens because two methods can definitely be valid enough to be called by data values. Due to this, the compiler doesn’t have the knowledge as to which method to call.Examplepublic class Demo { static void my_fun(double ... my_Val){ System.out.print("fun(double ...): " + "Number of args: " + my_Val.length ); for(double x : my_Val) System.out.print(x + " "); System.out.println(); } static void my_fun(boolean ... my_Val){ System.out.print("fun(boolean ...) " + "The number of arguments: ...
Read MoreSearch a string in Matrix Using Split function in Java
To search a string in Matrix using split function, the code is as follows −Exampleimport java.util.*; public class Demo { public static int search_string(String[] my_matrix, String search_string){ for (String input : my_matrix){ String[] my_value = input.split(search_string); if (my_value.length >= 2 || my_value.length == 0){ return 1; } else if (my_value.length == 1 && input.length() != my_value[0].length()){ return 1; } } ...
Read MoreJava Program for Largest K digit number divisible by X
Following is the Java program for largest K digit number divisible by X −Exampleimport java.io.*; import java.lang.*; public class Demo{ public static int largest_k(int val_1, int val_2){ int i = 10; int MAX = (int)Math.pow(i, val_2) - 1; return (MAX - (MAX % val_1)); } public static void main(String[] args){ int val_1 = 25; int val_2 = 2; System.out.println("The largest 2 digit number divisible by 25 is "); System.out.println((int)largest_k(val_1, val_2)); } }OutputThe largest 2 digit ...
Read MoreJava Program to Find sum of Series with n-th term as n^2 – (n-1)^2
To find the sum of such series, the Java program is as follows −Examplepublic class Demo { static long my_val = 1000000007; public static long compute_val(long my_int){ return ((my_int % my_val) * (my_int % my_val)) % my_val; } public static void main(String[] args){ long my_int = 45687234; System.out.println("The computed value is "); System.out.print(compute_val(my_int)); } }OutputThe computed value is 335959495A class named Demo defines a function named ‘compute_val’ that computes and returns the sum of a specific series. In the main function, the long ...
Read MoreJava Program for Stooge Sort
Following is the Java program for Stooge sort −Exampleimport java.io.*; public class Demo { static void stooge_sort(int my_arr[], int l_val, int h_val){ if (l_val >= h_val) return; if (my_arr[l_val] > my_arr[h_val]){ int temp = my_arr[l_val]; my_arr[l_val] = my_arr[h_val]; my_arr[h_val] = temp; } if (h_val-l_val+1 > 2){ int temp = (h_val-l_val+1) / 3; stooge_sort(my_arr, l_val, h_val-temp); stooge_sort(my_arr, l_val+temp, h_val); ...
Read MoreJava Program for Standard Normal Distribution (SND)
Following is the Java program for Standard Normal Distribution −Exampleimport java.io.*; import java.util.*; public class Demo{ public static void main(String[] args){ double std_dev, val_1, val_3, val_2; val_1 = 68; val_2 = 102; val_3 = 26; std_dev = (val_1 - val_2) / val_3; System.out.println("The standard normal deviation is: " + std_dev); } }OutputThe standard normal deviation is: -1.3076923076923077A class named Demo contains the main function, where certain double values are defined, and the formula for standard deviation is applied ((val_1 - val_2) / val_3) on these values and the resultant output is displayed on the console.
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