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The following is the unsorted array.int[] list = {98, 23, 97, 36, 77};Now first use the Sort() method to sort the array.Array.Reverse(list);Use the Reverse() method that would eventually give you a sorted array in descending order.Array.Reverse(list);You can try to run the following code to to sort an array in descending order.Example Live Demousing System; namespace Demo { public class MyApplication { public static void Main(string[] args) { int[] list = {98, 23, 97, 36, 77}; Console.WriteLine("Original Unsorted List"); foreach (int i in list) { ... Read More
public class RegexOccur { public static void main(String args[]) { String str = "java is fun so learn java"; String findStr = "java"; int lastIndex = 0; int count = 0; while(lastIndex != -1) { lastIndex = str.indexOf(findStr,lastIndex); if(lastIndex != -1) { count ++; lastIndex += findStr.length(); } } System.out.println(count); } }Output2
C# allows multidimensional arrays. Multi-dimensional arrays are also called rectangular array. Declare a 2-dimensional array of strings as.string [, ] names;A 2-dimensional array can be thought of as a table, which has x number of rows and y number of columns.Multidimensional arrays may be initialized by specifying bracketed values for each row. The following array is with 4 rows and each row has 4 columns.int [, ] a = new int [4, 4] { {0, 1, 2, 3} , /* initializers for row indexed by 0 */ {4, 5, 6, 7} , /* initializers for row indexed by ... Read More
In Python it does give the desired result>>> var = "aaa\bbb\ccc and ddd\eee" >>> var.split('\') ['aaa', 'bbb', 'ccc and ddd', 'eee']
A Singleton pattern states that a class can have a single instance and multiple instances are not permitted to be created. For this purpose, we make the constructor of the class a private and return a instance via a static method. But using reflection, we can still create multiple instance of a class by modifying the constructor scope. See the example below −Example - Breaking Singleton Live Demoimport java.io.Serializable; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; public class Tester { public static void main(String[] args) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException{ A a = A.getInstance(); ... Read More
To sort a two-dimensional array in C#, in a nested for loop, add another for loop to check the following condition.Examplefor (int k = 0; k < j; k++) { if (arr[i, k] > arr[i, k + 1]) { int myTemp = arr[i, k]; arr[i, k] = arr[i, k + 1]; arr[i, k + 1] = myTemp; } }Till the outer loop loops through, use the GetLength() method as shown below. This is done to sort the array.Examplefor (int i = 0; i < arr.GetLength(0); i++) { for ... Read More
To access Array elements in a foreach statement, use the numeric index.Let’s say the following is our code.Example Live Demousing System; namespace ArrayApplication { class MyArray { static void Main(string[] args) { int [] n = new int[10]; /* n is an array of 10 integers */ /* initialize elements of array n */ for ( int i = 0; i < 10; i++ ) { n[i] = i + 100; } ... Read More
A Singleton pattern states that a class can have a single instance and multiple instances are not permitted to be created. For this purpose, we make the constructor of the class a private and return a instance via a static method. But using serialization, we can still create multiple instance of a class. See the example below −Example - Breaking Singleton Live Demoimport java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; public class Tester{ public static void main(String[] args) throws ClassNotFoundException, IOException{ A a = A.getInstance(); A b ... Read More
The ‘for loop’ executes a sequence of statements multiple times and abbreviates the code that manages the loop variable.The following is our for loop.Example Live Demousing System; namespace ArrayApplication { class MyArray { static void Main(string[] args) { int [] n = new int[10]; /* n is an array of 10 integers */ int i, j; /* initialize elements of array n */ for ( i = 0; i < 10; i++ ) { n[ ... Read More
This is the default mechanism for passing parameters to a method. In this mechanism, when a method is called, a new storage location is created for each value parameter.The values of the actual parameters are copied into them. Hence, the changes made to the parameter inside the method have no effect on the argument. The following is the code to pass parameters by value.Example Live Demousing System; namespace CalculatorApplication { class NumberManipulator { public void swap(int x, int y) { int temp; temp = x; /* save the value ... Read More