The Array.IsSynchronized property in C gets a value indicating whether access to the Array is synchronized.The IsSynchronized property is implemented by Arrays because it is needed by the System.Collections.ICollection interface. Classes using arrays can also implement own synchronization using the SyncRoot property.The following is the syntax −public bool IsSynchronized { ... Read More

To determine if a string has unique characters or not, firstly check a word in the string with the next word −for (int j = i + 1; j < val.Length; j++) {    if (val[i] == val[j]) }If you find a match, that would mean the string do not ... Read More

Interning of string optimizes memory and performance.Through this, you can put strings in the runtime's shared string pool.Let us see an example −Example Live Demousing System; using System.Text; public class Demo {    public static void Main() {       string str1 = new StringBuilder().Append("Car is a ").Append("Vehicle").ToString();   ... Read More

The file not found exception is raised when you try to find a file that does not exist.Let’s say I have set a file in StreamReader, “new.txt” that does not exist. If you will try to access it using StreamReader(to read it), it will throw FileNotFoundException −using (StreamReader sReader = ... Read More

To find the absolute value of a number in C#, use the Math.Abs method.Set numbers first −int val1 = 77; int val2 = -88;Now take two new variables and get the Absolute value of the above two numbers −int abs1 = Math.Abs(val1); int abs2 = Math.Abs(val2);Let us see the complete ... Read More

If the parent object is deleted under Composition, then the child object also loses its status. The composition is a special type of Aggregation and gives a part-of relationship.For example, A Car has an engine. If the car is destroyed, the engine is destroyed as well.public class Engine {    . ... Read More

Pointer is a variable whose value is the address of another variable i.e., the direct address of the memory location.The syntax of a pointer is −type *var-name;The following is how you can declare a pointer type −double *z; /* pointer to a double */C# allows using pointer variables in a ... Read More

Use the BinaryReader class if you want to read binary information from the stream.The BinaryReader class is in System.IO namespace.The following is an example showing using the BinaryReader class to read from a file −static void WriteMe() {    using (BinaryWriter w = new BinaryWriter(File.Open("C:\abc.txt", FileMode.Create))) {       ... Read More

Use the Name property to display the name of the current thread in C#.Firstly, use the currentThread property to display information about a thread −Thread thread = Thread.CurrentThread;Now use the thread.Name property to display name of the thread −thread.NameLet us see the complete code show current thread’s name in C# ... Read More

It handles errors generated from referencing a null object. The Null reference exception occurs when you are looking to access member fields or function types that points to null.Let’s say we have the following null string −string str = null;Now you try to get the length of the null string, ... Read More