The append() method in the StringBuffer class adds the specified String to the contents of the current String buffer. Using this method you can append a single character to a string or char array in java.Examplepublic class Test {    public static void main(String args[]) {       StringBuffer ... Read More

The firstElement() method is used to return the first component (the item at index 0) of this vector.Exampleimport java.util.Vector; public class VectorDemo {    public static void main(String[] args) {       Vector vec = new Vector(4);       vec.add(4);       vec.add(3);       vec.add(2); ... Read More

The elements() method is used to return an enumeration of the components of this vector. The returned Enumeration object will generate all items in this vector at the similar index location.Exampleimport java.util.Vector; public class VectorDemo {    public static void main(String[] args) {             Vector ... Read More

The search(Object o) method is used to return the 1-based position where an object is on this stack.Exampleimport java.util.*; public class StackDemo {    public static void main(String args[])  {             Stack st = new Stack();       st.push("Java");       st.push("Source");   ... Read More

A favicon is a little icon visible on the web browser tab, just before the page title. It is generally a logo with the smaller size.The size of a favicon is 16x16 since it also gets displayed next to the URL of your site in a browser's address bar. It is visible ... Read More

Read the number of words in text fileCreate a FileInputStream object by passing the required file (object) as a parameter to its constructor.Read the contents of the file using the read() method into a byte array. Insatiate a String class by passing the byte array to its constructor.Using split() method read the words of the String ... Read More

You can extract a substring from a String using the substring() method of the String class to this method you need to pass the start and end indexes of the required substring.ExampleLive Demopublic class Substring {    public static void main(String args[]) {       String str = ... Read More

There is a number of ways you can achieve this. Here are few of the methods to do the same.a) There are many standard tools in SAP by use of which you can extract the data and also automate the whole process. With the use of an ETL tool, this ... Read More

Create a new cpp file using your text editor. Enter the following in it −#include int main() {     std::cout

C++ is a programming language developed by Bjarne Stroustrup in 1979 at Bell Labs. C++ is regarded as a middle-level language, as it comprises a combination of both high-level and low-level language features. It is a superset of C, and that virtually any legal C program is a legal C++ ... Read More