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class Student { //what is this instance variable?? private int studentId; private float qualifyingExamMarks; private char residentialStatus; private int yearOfEngg; /*from ww w . j a v a 2 s.c o m*/ //the studentid to set public void setStudentId (int studentId) { this.studentId = studentId; } //return the studentid public int getStudentId() { return studentId; } //the qualifyingExamMarks public void setQualifyingExamMarks (float qualifyingExamMarks) { this.qualifyingExamMarks = qualifyingExamMarks; } //return the qualifyingExamMarks public float getQualifyingExamMarks() { return qualifyingExamMarks; } //the residentialStatus to set public void setResidentialStatus (char residentialStatus) { this.residentialStatus = residentialStatus; } //return the residentialStatus public char getResidentialStatus() { return residentialStatus; } //the yearOfEngg to set public void setYearOfEngg (int yearOfEngg) { this.yearOfEngg = yearOfEngg; } //return the yearOfEngg public int getYearOfEngg() { return yearOfEngg; } } public class Demo { public static void main(String[] args) { Student student = new Student(); student.setStudentId(1001); student.setQualifyingExamMarks(95.0f); student.setResidentialStatus('D'); student.setYearOfEngg(2); System.out.println("Student ID : " + student.getStudentId()); System.out.println("Qualifying Exam Marks : " + student.getQualifyingExamMarks()); System.out.println("Residential Status : " + student.getResidentialStatus()); System.out.println("Year of Engineering : " + student.getYearOfEngg()); } }