To replace the first occurrence of a character in Java, use the replaceFirst() method.Here is our string.String str = "The Haunting of Hill House!";Let us replace the first occurrence of character “H”str.replaceFirst("(?:H)+", "B");The following is the complete example.Example Live Demopublic class Demo { public static void main(String[] args) { String str = "The ... Read More

The use of elevators at present era is quite common whether at apartments, offices, hotels and other multistory structures. However, we all are aware that technology comes with its curses as well and elevators are no exceptions. Elevators, especially in office buildings, too have all the minor-major issues every now ... Read More

To replace a character in a String, without using the replace() method, try the below logic.Let’s say the following is our string.String str = "The Haunting of Hill House!";To replace character at a position with another character, use the substring() method login. Here, we are replacing 7th position with character ... Read More

Age, hormone changes, the presence of bacteria, etc. are the common causes for pimples to rear their ugly face. Bear in mind that pimples should be cured according to their cause. Most importantly, treating them ruthlessly, as many of us do, can cost you an ugly mark. Therefore, being gentle ... Read More

Use replace() method to replace all occurrences of a given character in a string.Here is our string.String str = "THIS IS DEMO LINE $$$ NEW LINE";Let us now replace all occurrences of character $ with *str.replace("$", "*")The following is the complete example that replace all occurrences of $ with *Example Live ... Read More

Accessing the Internet is one of the key use of any device be it a PC, laptop, tablets and smartphone and browsers help you plunge into the world of the Internet. All these devices come with pre-installed browsers when you buy them but that does not necessarily mean that your ... Read More

User replaceAll() method to replace all occurrences of a given string. Let’s say the following is our string.String str = "THIS IS DEMO LINE AND NEW LINE!";Here, we are replacing all occurrences of string “LINE” to “TEXT”str.replaceAll("LINE", "TEXT");The following is the final example.Example Live Demopublic class Demo {    public static void main(String[] args) {       String str = "THIS ... Read More

Making films like Inception, Matrix, The Sixth Sense, etc. is a quite common convention in Hollywood and they keep on touching new horizons with each new flick. On the other hand, Bollywood seems to take years to reach where they are at present if they come up from their mindless ... Read More

To check the end of a string, use the endsWith() method.Let’s say the following is our string.String str = "demo";Now, check for the substring “mo” using the endsWith() method in an if-else condition.if(str.endsWith("mo")) { System.out.println("The string ends with the word mo"); } else { ... Read More

Web HostingWeb Hosting is a service that allows companies and individuals to establish a website or web page onto the Internet. A web hosting service provider or a web host is a business that offers the technologies and services required for the website or webpage to be viewed whenever a ... Read More

To check the beginning of a string, use the startsWith() method.Let’s say the following is our string.String str = "demo";Now, check for the substring “de” using the startWith() method in an if-else condition.if(str.startsWith("de")) { System.out.println("The string begins with the word de"); } else { ... Read More

Undue lifestyle, unhealthy food habits, unbalanced diet, improper sleep, spending too much time on different small or big screens, no room for exercise in our daily routine and excessive stress are a few reasons today’s generation is facing several health issues and dark circles are now a common phenomenon.Through a ... Read More

To remove a character at a specified position, use the following logic −Let’s say the following is our string.String str = "The Haunting of Hill House!";We want to remove a character at position 7. For that, use the below logic.// removing character at position 7 int pos = 7; String ... Read More

Well, rather than being a rumor, the idea of the end of the world in 2012 was largely based on some prophecies done by many well-known predictors. Therefore, no individual is solely responsible for the spread of this theory. However, being widely spread, these predictions were considered true by the ... Read More

Use the Trim() method to remove leading and trailing whitespace from a string. Let’s say the following is our string with white spaces in the beginning and the end.String str = " a ";Now, use the trim() method.str.trim()The following is the final example with output.Example Live Demopublic class Demo {    public static void main(String[] args) {     ... Read More