public class BookstoreCredit {     public static void main (String args[]) {         // Write your code here     }     public static void computeDiscount(String name, double gpa) {         // Write your code here     }

1 import java.util.Scanner; 2 3 public class LabProgram { m & in 6780 4 5 7 } public static void main(String[] args) { /* Type your code here. */ }

import java.util.Scanner; public class LabProgram {    public static Roster getInput(){        /* Reads course title, creates a roster object with the input title. Note that    */        /* the course title might have spaces as in "COP 3804" (i.e. use nextLine)   */        /* reads input student information one by one, creates a student object */        /* with each input student and adds the student object to the roster object */        /* the input is formatted as in the sample input and is terminated with a "q" */        /* returns the created roster         */                /* Type your code here */     }        public static void main(String[] args) {         Roster course = getInput();        course.display();        course.dislayScores();    }}   public class Student {     String id;    int score;     public Student(String id, int score) {        /* Student Employee  */        /* Type your code here */            }     public String getID() {        /* returns student's id */…

import java.util.Scanner; public class DebugSix4 {     public static void main(String[] args) {         int high, low, count = 0;         final int NUM = 5;         Scanner input = new Scanner(System.in);                 System.out.print("This application displays " + NUM +                          " random numbers" +                          "\nbetween the low and high values you enter" +                          "\nEnter low value now... ");                 low = input.nextInt(); // Inserted the missing semicolon                 System.out.print("Enter high value... ");         high = input.nextInt(); // Added the missing dot to the method call.                 while (low >= high) { // For proper input validation, changed "" to ">="             System.out.println("The number you entered for a high number, " +                                high + ", is not more than " + low);             System.out.print("Enter a number higher than " + low + "... ");             high =…