Convert this Student Array code into Student Singly LinkedList using java. public class Student { static int index=0; int sid; String name; String date; char attendence; static Student[] stdarry=new Student[10]; public void insert(int id, String nm, String dt, char att) { stdarry[index]=new Student(); stdarry[index].sid=id; stdarry[index].name=nm; stdarry[index].date=dt; stdarry[index].attendence=att; index++; } public int search(int id) { int check=0; for(int i=0 ;i
Convert this Student Array code into Student Singly LinkedList using java.
public class Student {
static int index=0;
int sid;
String name;
String date;
char attendence;
static Student[] stdarry=new Student[10];
public void insert(int id, String nm, String dt, char att)
{
stdarry[index]=new Student();
stdarry[index].sid=id;
stdarry[index].name=nm;
stdarry[index].date=dt;
stdarry[index].attendence=att;
index++;
}
public int search(int id)
{
int check=0;
for(int i=0 ;i<index; i++)
{
if(stdarry[i].sid==id)
{
check=i;
break;
}
}
return check;
}
public void display()
{
for(int i=0 ;i<index;i++)
{
System.out.println("ID ="+stdarry[i].sid+"| Name ="+stdarry[i].name+"| Date ="
+stdarry[i].date+"| Attendence ="+stdarry[i].attendence);
}
}
public void UpdateAttendence( int id, String dt, char att)
{
for(int i=0; i<index ;i++)
{
if(stdarry[i].sid==id && stdarry[i].date==dt)
{
stdarry[i].attendence=att;
break;
}
}
}
public void showPresentStudent(String dt, char status) {
int count = 0;
System.out.println("Present Student Are:");
for(int i=0;i<index;i++) {
if( stdarry[i].attendence==status) {
System.out.println("ID:"+stdarry[i].sid+"|Name:"+stdarry[i].name);
count++;
}
}
}
public void checkAttendence(int newId) {
for(int i=0;i<index;i++) {
if(stdarry[i].sid==newId) {
System.out.println("Check Attendence of given ID="+stdarry[i].attendence);
}
}
}
public void TodayAttendenceSummary(String dt) {
int countP=0;
int countA=0;
System.out.println("Today Attendence Summary:");
for(int i=0;i<index;i++) {
if(stdarry[i].date==dt) {
if(stdarry[i].attendence=='P'){
countP++;
}
if(stdarry[i].attendence=='A'){
countA++;
}
}
}
System.out.println("Present Students are:"+countP+"\nAbsent Student are:"+countA);
}
public void MarkAttendence(int id, String dt, char att) {
for(int i=0;i<index;i++) {
}
}
}
class StudentData
{
public static void main(String[] args) {
Student stdobj=new Student();
stdobj.insert(101,"Umer","3-06-2021",'P');
stdobj.insert(102,"Umer","3-06-2021",'A');
stdobj.insert(103,"Ali","3-06-2021",'P');
stdobj.insert(104,"Ali","3-06-2021",'A');
stdobj.UpdateAttendence(102,"3-06-2021",'P');
stdobj.showPresentStudent("3-06-2021",'P');
stdobj.checkAttendence(102);
stdobj.TodayAttendenceSummary("3-06-2021");
stdobj.display();
}
}
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