4. In JAVA language strings are immutable, so how can you reverse a string. Write a JAVA program to input a string and reverse the string. Display the original and reversed string in the output.
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- String and StringBuffer both represent String objects. Can we compare String and StringBuffer in Java?Java Take a string from user and remove all it's spaces from starting and end of the string And print the new stringpublic static String pancakeScramble(String text) This nifty little problem is taken from the excellent Wolfram Challenges problem site where you can also see examples of what the result should be for various arguments. Given a text string, construct a new string by reversing its first two characters, then reversing the first three characters of that, and so on, until the last round where you reverse your entire current string. This problem is an exercise in Java string manipulation. For some mysterious reason, the Java String type does not come with a reverse method. The canonical way to reverse a Java string str is to first convert it to mutable StringBuilder, reverse its contents, and convert the result back to an immutable string, that is, str = new StringBuilder(str).reverse().tostring(); A bit convoluted, but does what is needed without fuss or muss. Maybe one day the Java strings will come with the reverse method built in, just like the string data types of all sensible…
- in java What is the difference between a String set to null and a String set to ""?public static String pancakeScramble(String text) This nifty little problem is taken from the excellent Wolfram Challenges problem site where you can also see examples of what the result should be for various arguments. Given a text string, construct a new string by reversing its first two characters, then reversing the first three characters of that, and so on, until the last round where you reverse your entire current string.This problem is an exercise in Java string manipulation. For some mysterious reason, the Java String type does not come with a reverse method. The canonical way to reverse a Java string str is to first convert it to mutable StringBuilder, reverse its contents, and convert the result back to an immutable string, that is,str = new StringBuilder(str).reverse().toString(); Here's the tester it must pass: @Test public void testPancakeScramble() throws IOException {// Explicit test casesassertEquals("", P2J3.pancakeScramble(""));assertEquals("alu",…Write a code snippet that can arrange the alphabets of a name entered by user in alternate cases .Note: Ignore white spaces . Implement this code in C language. Input string: Timothy Olyphant Output string: TiMoThY OLyPhAnT Input string: Olga Kurylenko Output string: OlGa KuRyLeNkO
- Language: Java Write a program that reads a sentence from the keyboard. Depending on the last character of the sentence, print the message identifying the sentence as declarative (ends with a period), interrogative (ends with a question mark), exclamatory (end with an exclamation point), or other. Hint: you can use charAt() method from the String class to extract the last character of the input line. The character of a String str is at str.length()-1 position. For taking a sentence as input use the nextLine() method from the Scanner class. You have to use if/else if selection. Sample input and output: Sample 1 Input: How are you? Output: Interrogative Sample 2 Input: I am good. Output: Declarative Sample 3 Input: That is amazing! Output: Exclamatory Sample 4 Input: Although, Output: Other Answer:Intro to Java Instuctions: Design and implement a program that reads a series of 10 integers from the user and prints their average For each of the 10 numbers input from the user: one at a time, prompt the user to enter a number. Then read input from the user as a string. Attempt to convert it to an integer using the "Integer.parseInt" method. If the process throws a "NumberFormatExeption", print an appropriate error message and prompt the user for the number again. Continue prompting and reading in number until 10 valid integers have been read Print "The average is" and then print the average of the 10 numbers Code: import java.util.Scanner; public class Lab1MainClass { public static final int VALUES_TO_READ = 10; public static void main(String[] args) { // local variables int[] values = new int [VALUES_TO_READ]; double average; Scanner scan = new Scanner(System.in); int values Read = 0; // how many numbers the user has given us, a count of where we are String userInput; // read…str is a String object.Write Java statements that prints the characters of str with a space between each character.(Example: if str="Antalya", then output will be "A n t a l y a ")Write only the Java statements that performs the above task, nothing else. with java
- What is the difference between a String and a primitive data type (such as an int, a double, or a Boolean)?Write Java statements that creates a new string made by concatenating all strings in an array of strings.Do not write whole program, write only the statements necessary to perform the task described above. This is a java question.str is a String object.Write Java statements that finds the number of the white-space characters in str.Write only the Java statements that performs the above task, nothing else.