xplain in your own words how one important method of your program above works.
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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
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- Given string inputStr on one line and integers idx1 and idx2 on a second line, output "Match found" if the character at index idx1 of inputStr is equal to the character at index idx2. Otherwise, output "Match not found". End with a newline. Ex: If the input is: eerie 4 1 then the output is: Match found Note: Assume the length of string inputStr is greater than or equal to both idx1 and idx2.StringFun.java import java.util.Scanner; // Needed for the Scanner class 2 3 /** Add a class comment and @tags 4 5 */ 6 7 public class StringFun { /** * @param args not used 8 9 10 11 12 public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Please enter your first name: "); 13 14 15 16 17 18 System.out.print("Please enter your last name: "); 19 20 21 //Output the welcome message with name 22 23 24 //Output the length of the name 25 26 27 //Output the username 28 29 30 //Output the initials 31 32 33 //Find and output the first name with switched characters 34 //All Done! } } 35 36 37import java.util.Scanner; public class Inventory { public static void main (String[] args) { Scanner scnr = new Scanner(System.in); InventoryNode headNode; InventoryNode currNode; InventoryNode lastNode; String item; int numberOfItems; int i; // Front of nodes list headNode = new InventoryNode(); lastNode = headNode; int input = scnr.nextInt(); for(i = 0; i < input; i++ ) { item = scnr.next(); numberOfItems = scnr.nextInt(); currNode = new InventoryNode(item, numberOfItems); currNode.insertAtFront(headNode, currNode); lastNode = currNode; } // Print linked list currNode = headNode.getNext(); while (currNode != null) { currNode.printNodeData(); currNode…
- Java. Starter code: import java.util.*;public class PoD {public static boolean validateBoard(String[][] gameBoard) {boolean validBoard;//PLEASE START YOUR WORK HERE//PLEASE END YOUR WORK HEREreturn (validBoard);}public static void main(String[] args) {//Instantiate new scanner to read from the console.Scanner in = new Scanner( System.in );int gamePiece;String[][] ticTacToeBoard = new String[3][3];for (int i=0; i<3; i++){for (int j=0; j<3; j++){//Read in boardticTacToeBoard[i][j] = in.next();//Output boardif (j<2){System.out.print(ticTacToeBoard[i][j] + " ");}else{System.out.println(ticTacToeBoard[i][j]);}}}if (validateBoard(ticTacToeBoard)) {System.out.println("Valid board");}else {System.out.println("Invalid board");}}}8) Now use the Rectangle class to complete the following tasks: - Create another object of the Rectangle class named box2 with a width of 100 and height of 50. Note that we are not specifying the x and y position for this Rectangle object. Hint: look at the different constructors) Display the properties of box2 (same as step 7 above). - Call the proper method to move box1 to a new location with x of 20, and y of 20. Call the proper method to change box2's dimension to have a width of 50 and a height of 30. Display the properties of box1 and box2. - Call the proper method to find the smallest intersection of box1 and box2 and store it in reference variable box3. - Calculate and display the area of box3. Hint: call proper methods to get the values of width and height of box3 before calculating the area. Display the properties of box3. 9) Sample output of the program is as follow: Output - 1213 Module2 (run) x run: box1: java.awt. Rectangle [x=10, y=10,width=40,height=30] box2: java.awt.…import java.util.Scanner; public class LabProgram { /* Define your method here */ public static void main(String[] args) { Scanner scnr = new Scanner(System.in); /* Type your code here. */ }}
- 1 import java.util.Scanner; 2 3 public class RedBalloon { public static void main (String 0 args) { Scanner scnr = new Scanner(System.in); boolean isRed; boolean isBalloon; 4 5 6 7 8 isRed = scnr.nextBoolean(); isBalloon = scnr.nextBoolean(); 9 10 11 12 13 } 15 } 14import java.util.Scanner;public class main{public static void main(String[] args){Scanner sc = new Scanner(System.in):int year, day, weekday;String month;String outday = "";System.out.printf("Enter the month%n");month = sc.nextLine();System.out.printf("Enter the day%n");month = sc.nextInt();weekay = find_day(month, day);outday = out_weekday(weekday);System.out.printf("The day is: %s%n", outday);}} Change the program from the previous example to take command line arguments instead of using the Scanner. For example, running the program like this:> java OutDays March 14will output the weekday string (which is Thursday) on the console for March 14, 2019). public static void main(String[] args){ int year, day, weekday; String month; String outday = ""; // #### your code here for accessing the command line arguments weekday = find_day(month, day); outday = out_weekday(weekday); System.out.printf("The day is: %s%n", outday);}public class F { private boolean x; public class Test { public static void main (String[] args) { Ff = new F(); System.out.println(f.x); System.out .println(f. convert (f.x)); } public static void main(String[] args) { Ff = new F (); System.out.println (f.x); System.out.println(f.convert ()); private int convert(boolean b) { return x ? 1: -1; Is the above code in the classes above correct? Circle your answer choice: YES or NO If NO, write below the corrected code.
- I have this code: import java.util.Scanner; public class CalcTax { public static void main(String[] args) { Scanner sc = new Scanner(System.in); // Welcome message System.out.println("Welcome to my tax calculation program."); // Declare the variables int i, pinCode, maxRetries = 3; String choice; // Get the PIN code for (i = 0; i < maxRetries; i++) { System.out.print("Please enter the PIN code: "); pinCode = sc.nextInt(); if (pinCode == 5678) { break; } System.out.println("Invalid pin code. Please try again."); } if (i == maxRetries) { System.out.println("Invalid pin code. You have reached the maximum number of retries."); System.exit(0); } // Get the income, interest, deduction, and paid tax amount double income, interest, deduction, paidTax; do { System.out.print("Please…package go; package demo; public class Pokemon { import ; // import Pokemon class (#1) private int hitPoints; static int population; public class Main { public static void main(String[] args) { void attack() { // implementation this.evolve(); } public void evolve() { // implementation } } Pokemon pika = new Pokemon(); pika.hitPoints = 30; (#2) System.out.print(Pokemon.population);(#3) pika.attack(); (#4) pika.evolve(); (#5) } 1. How can we retrieve the value of hitPoints without allowing any other class to change its value? a) Change the access modifier of bitPoints to public b) Change the access modifier of hitPoints to default c) Make the hitPoints a static attribute d) Declare a new public method, say şetHitPoints(int value), that sets the value of hitPoints e) None of the aboveCompute: z = y √x Ex: If the input is 4.0 3.0, then the output is: 1.0 1 import java.util.Scanner; 2 3 public class MathFunctions { 4 5 6 7 8 9 10 11 12 13 14 15 16 17} public static void main (String[] args) { Scanner scnr = new Scanner(System.in); double x; double y; double z; } X = scnr.nextDouble(); y scnr.nextDouble(); /* Your code goes here */ System.out.printf("%.1f\n", z); // This will output z with 1 decimal place. [