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!.
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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!.
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- (Java) What will the following display to the console? Work out the solution by hand (don't run the code, until after you have worked it out by hand). StringBuilder sb1 = new StringBuilder("Cat");StringBuilder sb2 = new StringBuilder(sb1.replace(2, 3, "Rat").append("Mat"));sb2.append("Sat!");System.out.println(sb1);System.out.println(sb2);Given the following Java code: String str1 = “Java is useful!”; String str2= “Java is cool”; write the result of to each of the following questions: write a Java expression that compares if str1 is equal to str2 write a Java expression that displays string str1Write an application that prints your initials in large block letters. Make each large letter out of the corresponding characters. Use escape sequences to form your initials. Make sure your initials are the same size as the example below. Programming language: JAVA Initial: SP
- 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';I'm having trouble getting my problem to display correctly in java. I want the final message to show up in one dialog window Joptionpane but its give me each and every word seperately. How would I fix this to the phrase and then each word that was initally entered? for (String pigLatin : arr) {output = String.format(pigLatin.substring(1) + pigLatin.substring(0, 1) + "ay ");JOptionPane.showMessageDialog(null, "The phrase you entered translates to:\n" + output);Write a java program Take two test Strings (StrFirstName and StrLastName) as input from User and Demonstrate the use of at least ten String Class Methods. (Use your own first and last name). (Source code + Output). First Name: Syeda Last Name: Humna
- Write a Java method called StringDay to display the String named day based on the number of the day. The method should take on integer argument and retum a StringWhy is my dialog box not popping up and why is it not working, please help me fix it. and possibly give me an example My Java code is below import javax.swing.JOptionPane;public class HELPME { public static void main(String[] args) { String inputString; //For reading input int numA; int numB; int numC; int numD; double gpa; // Have user input the number of letter grades they earned. inputString = JOptionPane.showInputDialog(null, "Enter the number of A grades received: "); numA =Integer.parseInt(inputString); inputString = JOptionPane.showInputDialog(null, "Enter the number of B grades received: "); numB =Integer.parseInt(inputString); inputString = JOptionPane.showInputDialog(null, "Enter the number of C grades received: "); numC =Integer.parseInt(inputString); inputString = JOptionPane.showInputDialog(null, "Enter the number of D grades received: ");…In Java, Write a program that prompts the user to enter a full name consisting of three names (first middle last) into one String variable. Then use methods of class String to: print the number of characters in the full name, including spaces print just the middle name and the number of characters in it. print the three initials of the name print the last name in all upper case. print the full name in the usual alphabetical format (last, first middle) and proper case.
- 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.Please help me comment these lines of code. Please not these are just some lines of code that have been taken from the java program I am creating which is a coin toss program. I do not need you to create one. Just comment what the lines of code below private static String sideUp; } public void toss() { Random in = new Random(); int x = in.nextInt(); if (x % 2 == 0) sideUp = "Heads"; else sideUp = "Tails"; } public static void main(String[] args) { int tail = 0, head = 0; System.out.println("\nTossing coin 20 times:-"); for (int i = 1; i <= 20; i++) { coin.toss(); if (coin.getFace().equals("tails")) tail++; else head++;Write a Java regular expression for each of the following: a. Phone numbers, such as (609) 555-1234 b. Social Security numbers, such as 123-45-6789 c. Dates, such as December 31, 1999