Swap two numbers without using third variable. I want the code in java. Please add comments also.

java Use a loop to print the alphabet from A to Z. Print all the characters in one line, with no spaces between them. Also use another loop to print the alphabet from z to a. Print all the character in one line, with no spaces between them. Note: There will be two lines in the output. One of the uppercase letters from A to Z, and a second line for the lowercase letter from z to a.

the solution above doesn't work. the code runs, but it will not print anything

This is an incomplete code. Where are the implementations for each method you mentioned in the comments? I need the implementation logic (code) for each method you mentioned in the comments. Please include the code implementation logic for each method instead of the comments.

Write a Regular expression that check whether a string contains an Vowel or not? You have also include the driver code in Java Language. Your driver code should take string from the user.

Use java how to make my reset button work? I'm looking for implementation code step by step to activate the resert button When user clicks on the "Reset" button, form fields should reset to default values.

In this assignment you will demonstrate your knowledge of debugging by fixing the errors you find in the program below. Fix the code, and paste it in this document, along with the list of the problems you fixed.This example allows the user to display the string for the day of the week. For example, if the user passed the integer 1, the method will return the string Sunday. If the user passed the integer 2, the method will return Monday. This code has both syntax errors and logic errors. Hint: There are two logic errors to find and fix (in addition to the syntax errors).Inport daysAndDates.DaysOfWeek;public class TestDaysOfWeek {public static void main(String[] args) {System.out.println("Days Of week: ");for (int i = 0;i < 8;i++) {System.out.println("Number: " + i + "\tDay Of Week: " + DaysOfWeek.DayOfWeekStr(i) )}}}package daysAndDatespublic class DaysOfWeek {public static String DayOfWeekStr(int NumberOfDay) {String dayStr = ""switch (NumberOfDay) {case 1:dayStr =…

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I need help with Java code. I'm not sure how to start...

I really need help in this please. Can you write in JAVA? Thank you