To import any package in the current class you need to use the import keyword asimport packagename;ExampleLive Demoimport java.lang.String; public class Sample {    public static void main(String args[]) {       String s = new String("Hello");       System.out.println(s);    } }OutputHello

The String class belongs to the java.lang package. This is the default package of the Java language therefore it is not mandatory to import it to use its classes.

Yes, StringBuffer class is final Java. We cannot override this class.

String class belongs to the java.lang package.

Since String class is immutable once created we cannot modify the data of the string. But still if you want to manipulate string data you can rely on StringBuffer or StringBuilder classes.Examplepublic class Test {    public static void main(String args[]) {       String str = "Hi welcome ";       StringBuffer sb= new StringBuffer(str);       sb.append("to Tutorialspoint");       System.out.println(sb);    } }OutputHi welcome to Tutorialspoint

Since String class is immutable once created we cannot modify the data of the string. But still, if you want to manipulate string data you can rely on StringBuffer or StringBuilder classes.Examplepublic class Test {    public static void main(String args[]) {       String str = "Hi welcome ";       StringBuffer sb= new StringBuffer(str);       sb.append("to Tutorialspoint");       System.out.println(sb);    } }OutputHi welcome to Tutorialspoint

You can reverse the contents of a given String using leaving the spaces using the reverse() method of the StringBuffer class.Examplepublic class Test {    public static void main(String args[]) {       String str = "hi welcome to Tutorialspoint";       String strArray[] = str.split(" ");       StringBuffer sb= new StringBuffer(str);       sb.reverse();       for(int i=0 ; i

The String class represents character strings. All string literals in Java programs, such as "abc", are implemented as instances of this class. Strings are constant, their values cannot be changed after they are created. To learn more about Strings visit Tutorialspoint Strings page.

The StringBuffer class contains a method known as deleteCharAt(). This method deletes the character at a specified index/position. You can use this method to delete/remove a particular character from a string in Java.Examplepublic class Test {    public static void main(String args[]){       String str = "hi welcome to Tutorialspoint";       StringBuffer sb= new StringBuffer(str);       sb.deleteCharAt(sb.length()-1);       System.out.println(sb);    } }Outputhi welcome to Tutorialspoint

Strings, which are widely used in Java programming, are a sequence of characters. In Java programming language, strings are treated as objects.The Java platform provides the String class to create and manipulate strings.The most direct way to create a string is to write −String greeting = "Hello world!";Whenever it encounters a string literal in your code, the compiler creates a String object with its value in this case, "Hello world!'.ExampleLive Demopublic class StringDemo {    public static void main(String args[]) {       char[] helloArray = { 'h', 'e', 'l', 'l', 'o', '.' };       String helloString ... Read More