How do I remove the error? import java.lang.Math; import java.util.Scanner; public class MidtermProblems {      public static String odd(int a)    {    int odds;         odds = a;         String s;                  if(odds > 0)         {             //s = odds;             return "odds";         }         else if(odds < 0)         {             s =  "None";         }         else         {              s = "";         }             return s;     }         public static void main(String[] args) {              Scanner in = new Scanner(System.in);          int a=0;         int odds;         a = in.nextInt();         String result = odds(a);         System.out.println( result );     } }

import java.util.*; public class Main{     public static void main(String[] args) {         Scanner sc= new Scanner(System.in);         int a1= sc.nextInt();        int b1=sc.nextInt() ;        int c1=b1/2;        int i =1 ;         while(i<=c1){             for( int j=1 ; j<=c1-i ; j++){                 System.out.print(" ");            }             for (int k=1; k<=a1; k++){                 System.out.print("=");             }             System.out.print("\n");            a1=a1+2;            i++;        }            } }   Explain in your own words how one important method of your program above works.

Complete the isExact Reverse() method in Reverse.java as follows: The method takes two Strings x and y as parameters and returns a boolean. The method determines if the String x is the exact reverse of the String y. If x is the exact reverse of y, the method returns true, otherwise, the method returns false. Other than uncommenting the code, do not modify the main method in Reverse.java. Sample runs provided below. Argument String x "ba" "desserts" "apple" "regal" "war" "pal" Argument String y "stressed" "apple" "lager" "raw" "slap" Return Value false true false true true false

Type the program's output import java.util.Scanner; public class NumberSearch { public static void findNumber(int number, int lowVal, int highVal, String indentAmt) { int midVal; midVal = (highVal + lowVal) / 2; System.out.print(indentAmt); System.out.print(midVal); if (number == midVal) { System.out.println(" a"); } else { if (number < midVal) { System.out.println(" b"); findNumber(number, lowVal, midVal, indentAmt + " "); } else { System.out.println(" c"); findNumber(number, midVal + 1, highVal, indentAmt + " "); } } System.out.println(indentAmt + "d"); } public static void main(String[] args) { Scanner scnr = new Scanner(System.in); int number; number = scnr.nextInt(); findNumber(number, 0, 8, ""); } } Input 5

Create a Flowchart  //Java Source Code :- import java.util.Scanner; public class bExpert {     public static void main(String[] args) {         Scanner sc = new Scanner(System.in);         System.out.println("\nVALUES");         System.out.print("Value 1: ");         int v1 = sc.nextInt();         System.out.print("Value 2: ");         int v2 = sc.nextInt();         System.out.print("Value 3: ");         int v3 = sc.nextInt();         System.out.println("\nPROCESS");         System.out.println("\n1. Summation");         System.out.println("2. Product");         System.out.println("3. Min / Max");         System.out.println("4. Odd / Even");         char st = 'y';         while(st != 'n'){             System.out.print("\nCHOICE: ");             int ch = sc.nextInt();             switch(ch) {                 case 1:                 int sum = v1 + v2 + v3;                 System.out.println("\nSum = "+sum);                 break;                 case 2:                 int prod =…

public static int countIt (int n) {     int count = 0;     for (int i = n; i > 0; i /= 2)          for (int j = 0; j < 10; j++)               count += 1;     return count; }   Big-O notation: Explanation:

JAVA CODE: check output

Create the UML Diagram for this java code import java.util.Scanner; interface Positive{    void Number();} class Square implements Positive{    public void Number() {        Scanner in=new Scanner(System.in);        System.out.println("Enter a number: ");        int a = in.nextInt();            if(a>0) {                System.out.println("Positive number");            }            else {                System.out.println("Negative number");            }            System.out.println("\nThe square of " + a +" is " + a*a);            System.out.println("\nThe cubic of "+ a + " is "+ a*a*a);    }} class Sum implements Positive{    public void Number() {        Scanner in = new Scanner(System.in);            System.out.println("\nEnter the value for a: ");            int a = in.nextInt();            System.out.println("Enter the value for b" );            int b= in.nextInt();            System.out.printf("The Difference of two numbers: %d\n", a-b);            System.out.printf("The…

import java.util.Scanner; public class StateInfo {    /* Your code goes here */     public static void main(String[] args) {        Scanner scnr = new Scanner(System.in);        String stateCode;        String stateName;                stateCode = scnr.next();        stateName = scnr.next();                printStateInfo(stateCode, stateName);    }}

import java.util.Scanner; public class AverageWithSentinel{    public static final int END_OF_INPUT = -500;        public static void main(String[] args)    {        Scanner in = new Scanner(System.in);                // Step 2: Declare an int variable with an initial value        //         as the count of input integers                        // Step 3: Declare a double variable with an initial value        //         as the total of all input integers                        // Step 4: Display an input prompt         //         "Enter an integer, -500 to stop: "                 // Step 5: Read an integer and store it in an int variable                        // Step 6: Use a while loop to update count and total as long as        //         the input value is not -500.        //         Then display the same prompt and read the next integer                 // Step 7: If count is zero         //             Display the following message         //                  "No integers were…