Suppose s1 and s2 are two strings. Which of the following statement or expression is valid in Java ? a - String s3 = s1 + s2; b - s1 >= s2; c - int i = s1.length; d - s1.charAt(0) = '5';
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A: Note : Programming Language : Java
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- Suppose s is a string with the value "java". What will be assigned to x if you execute the following code? char x = s.charAt(4);In Java, please write a program that asks the user to enter a string, and then converts that string to Morse code. Use hyphens for dashes and periods for dots. Morse Code Table Character Code Character Code Character Code Character Code space space 6 - . . . . G --. Q --.- comma --..-- 7 -- . . . H . . . . R .-. period .-.-.- 8 ---.. I .. S . . . question mark ..--.. 9 ----. J .--- T - 0 ----- A .- K -.- U ..- 1 .---- B - . . . L .-.. V . . . - 2 ..--- C -.-. M -- W .-- 3 . . . -- D -.. N -. X -..- 4 . . . .- E . O --- Y -.-- 5 . . . .. F ..-. P .--. Z --..This is the question and needs to be written in java: Write an application that accepts three unique Strings from the user and, without regard to case, appropriately displays either You did not enter the words in alphabetical order or You entered the strings in alphabetical order depending on whether the Strings were entered in alphabetical order.
- Ask the user for a String. Display the number of lowercase characters in that string. Write in Java and use test case examples as result.In Java, concatenation is the joining of a String and a value. True or False?Given the following: strFirstName = “Java” strLastName = “is fun!” Write a statement that concatenates the two string values and assigns them to strFullName, so the new string appears as Java is fun!.
- Use Java Programming; You are tasked to make a program that accepts a string. From that string, print out the number of permutations and all the permutations of that string including itself. Expected output: String: abc All permutations of abc: 6 abc acb bac bca cab cbain java What is the difference between a String set to null and a String set to ""?For Java Write an application that counts the words in a String entered by a user. Words are separated by any combination of spaces, periods, commas, semicolons, question marks, exclamation points, or dashes. Figure 7-17 shows a typical execution.
- In java please help with the following: Given a string that contains space separated words, write an application that displays the words in ascending order (If two words are the same, display only one). You need to use the right data structure for storing the words. For example, for input:String input="apple banana apple orange blueberry"; The program will print out: apple banana blueberry orangeWrite an application that counts the words in a String entered by a user. Words are separated by any combination of spaces, periods, commas, semicolons, question marks, exclamation points, or dashes. Figure 7-17 shows a typical execution.Here is the question: Write a program that inserts parentheses, a space, and a dash into a string of 10 user-entered numbers to format it as a phone number. For example, 5153458912 becomes (515) 345-8912. If the user does not enter exactly 10 digits, display an error message. Continue to accept user input until the user enters 999. Here is the code given: import java.util.*; public class PhoneNumberFormat { public static void main(String[] args) { // Write your code here } }