using System;public static class Lab3_2{public static void Main(){// declare the variables and constantsconst double FLAT = 1.25;double weight;double cost, pricePerKg = 0;// Input the weightConsole.Write("Enter a positive weight of the package => ");weight = Convert.ToDouble(Console.ReadLine());// Determine the cost per kilogramif (weight <= 0)Console.WriteLine("*** Invalid weight");else if (weight < 1)pricePerKg = 0.25;else if (weight <= 3.5)pricePerKg = 0.5;else (weight > 3.5)pricePerKg = 1.0;// Compute the cost to send the packageif (weight > 0)cost = weight * pricePerKg + FLAT; elsecost = 0;// Output the resultsConsole.WriteLine("The cost to send the package is {0:C}",cost);Console.ReadLine();}} Remove the syntax error from my code and run it for input weight 2.

public class SeperateDuplicates { public static void main(String[ args) { System.out.printIn(seperateDuplicatesChars("Hello")); System.out.printin(seperateDuplicatesChars ("Bookkeeper"')); System.out.printin(seperateDuplicatesChars("Yellowwood door"')); System.out.printin(seperateDuplicatesChars("Chicago Cubs")); */ public static String seperateDuplicatesChars(String str) { //To be completed } }

Lab 9 C    balance the same, y, n, why?   class CheckingAct {   . . . .   private int balance;     public void processCheck( int  amount  )   {                              int charge;     if ( balance < 100000 )       charge = 15;     else       charge = 0;     balance =  balance -  amount  - charge  ;       // change the local copy of the value in "amount"     amount = 0 ;   } }   public class CheckingTester {     public static void main ( String[] args )   {     CheckingAct act;     int check = 5000;     act = new CheckingAct( "123-345-99", "Your Name",  100000 );                System.out.println( "check:" + check );     // prints "5000"       // call processCheck with a copy of the value 5000     act.processCheck( check );                   System.out.println( "check:" + check );     // prints "5000" --- "check" was not changed   } }

// Program gets a quantity ordered from user // then determines price and discount based on quantity // price per item before discounts is $6.00 // order 15 or more, get a 20% discount // order 10 to 14 - get a 14% discount // order 5 to 9, get a 10% discount using System; using static System.Console; using System.Globalization; class DebugSeven3 {    static void Main()    {       int quantity;       double price;       quantity = GetQuantity();      price = CalculatePrice(int quantity);       WriteLine("Final price for {0} items is {1}.",         quantity, price.ToString("C", CultureInfo.GetCultureInfo("en-US")));    }    private static int GetQuantity()    {       int quan;       WriteLine("Enter number of items >> ");       quan = Convert.ToInt32(ReadLine());       return quan;    }    private double CalculatePrice(int quantityOrdered)    {       double PRICE_PER_ITEM = 6.00;   double price = 0;   double discount = 0;   int[] quanLimits = {0, 5, 10, 15};   double[] limits =…