Write a method called upper that takes a lowercase character as a parameter and converts the character to uppercase and returns it without using String’s toUpperCase() method. public char upper(char lowerChar){
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Write a method called upper that takes a lowercase character as a parameter and converts the character to uppercase and returns it without using String’s toUpperCase() method.
public char upper(char lowerChar){
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- Write a method that accepts a String object as an argument and displays its contents backward.For instance, if the string argument is “gravity” the method should display -“ytivarg”.Demonstrate the method in a program that asks the user to input a string and then passes itto the method.Create a method that returns a string where for every char in the original, there are two chars. Example: method ("wat") → "wwaatt"method ("java") → "jjaavvaa"method ("HelloWorld") → "HHeellooWWoorrlldd" Method declaration: public String method(String str){ //answers here }Q1) Write a method that checks whether two words are anagrams. Two words are anagrams if they contain the same letters in any order. For example, "silent" and "listen" are anagrams. Write a test program that prompts the user to enter two strings and, if they are anagrams, displays "anagram", otherwise displays "not anagram". Note: The header of the method is as follows: public static boolean isAnagram(String s1, String s2) Sample Input #1: Enter two strings: Silent listen Sample Output #1: The string “Silent” and “listen” are anagrams. Sample Input #1: Enter two strings: teach peach Sample Output #1: The string “teach” and “peach” aren’t anagrams.
- In java: Complete the checkCharacter() method which has 2 parameters: A String, and a specified index (int). The method checks the character at the specified index of the String parameter, and returns a String based on the type of character at that location indicating if the character is a letter, digit, whitespace, or unknown character. Ex: The method calls below with the given arguments will return the following Strings: checkCharacter("happy birthday", 2) returns "Character 'p' is a letter"checkCharacter("happy birthday", 5) returns "Character ' ' is a white space"checkCharacter("happy birthday 2 you", 15) returns "Character '2' is a digit"checkCharacter("happy birthday!", 14) returns "Character '!' is unknown"In java language Before we write a class which is used to describe objects, let’s practice manipulating an object by calling its methods. Complete the class LeetMaker class using String methods. Remember that all the String methods are accessors. They do not change the original String. If you want to apply multiple methods to a String, you will need to save the return value in a variable. Complete the class by doing the following: Print the word in lowercase Replace "e" with "3" (Use the unmodified variable word) Print the changed word In the changed word, replace: "t" with "7" Print the changed word In this newest changed word, replace: "L" with "1" (uppercase L with the number 1). Then, print the final changed word (with all the replacements) Print the length of the word The code to print the original word is already included for you. Do not change that statement. You will need to use the replace() method multiple times. Then print the final String. Remember that replace is an…Write a method with the following header to format the integerwith the specified width.public static String format(int number, int width)The method returns a string for the number with one or more prefix 0s. The size of thestring is the width. For example, format(34, 4) returns 0034 and format(34,5) returns 00034. If the number is longer than the width, the method returns thestring representation for the number. For example, format(34, 1) returns 34.Write a test program that prompts the user to enter a number and its width, anddisplays a string returned by invoking format(number, width).
- Write a method that returns a random number from alist of numbers passed in the argument. The method header is specified as follows:public static int getRandom(int... numbers)Write a method that counts the number of letters ina string using the following header:public static int countLetters(String s)Write a test program that prompts the user to enter a string and displays the numberof letters in the string.IN JAVA When people enter their telephone numbers into a form they use many different formats. Some examples are: (444) 999-1234 4449991234 444.999.1234 In the PhoneNumbers class below, complete the cleanNumber method. It takes a string and extracts the numeric digits from the string. If there are exactly 10 numeric digits, the number is reformatted: (###) ###-#### and returned. If there are any other number of digits, the string "Error" is returned. Hint: Use the Character.isDigit method to check whether a character is a digit. public class PhoneNumbers{ /** Cleans a phone number. @param phoneNumber a phone number that should contain ten digits and possibly other characters @return the phone number in the form (###) ###-#### or the string "Error" if phoneNumber does not have ten digits */ public String cleanNumber(String phoneNumber) { // your work here ... for (int i = 0; i < ...; i++) { char ch = phoneNumber.charAt(i);…
- Write method IsEven that uses the remainder operator (%) to determine whether an integer is even. The method should take an integer argument and return true if the integer is even and false otherwise. Incorporate this method into an app that inputs a sequence of integers (one at a time) and determines whether each is even or odd.JAVA PPROGRAM ASAP Please create this program ASAP BECAUSE IT IS MY LAB ASSIGNMENT so it passes all the test cases. The program must pass the test case when uploaded to Hypergrade. Chapter 9. PC #2. Word Counter (page 608) Write a method that accepts a String object as an argument and returns the number of words it contains. For instance, if the argument is “Four score and seven years ago” the method should return the number 6. Demonstrate the method in a program that asks the user to input a string and then passes it to the method. The number of words in the string should be displayed on the screen. Test Case 1 Please enter a string or type QUIT to exit:\nHello World!ENTERThere are 2 words in that string.\nPlease enter a string or type QUIT to exit:\nI have a dream.ENTERThere are 4 words in that string.\nPlease enter a string or type QUIT to exit:\nJava is great.ENTERThere are 3 words in that string.\nPlease enter a string or type QUIT to exit:\nquitENTERSignature will be public static void changeLetter(StringBuilder sb, String Letters) Make it so any letters from the second parameter found in the String Builder are converted to uppercase. Write in Java and use testcase examples as a reference.
