Java Learning Phase II-encapsulation-classes and students

 Packagep05;ImportJava.util.Scanner; Public classProgram { Public Static voidMain (string[] args) {//TODO auto-generated Method StubSchoolclass J128 =NewSchoolclass ("J128", "July 2016"); J128.addstudent (NewStudent (201601, "half-hidden",true, 22)); J128.addstudent (NewStudent (201602, "Hunting Empty",false, 20)); J128.addstudent (NewStudent (201603, "Amy",false, 20)); J128.addstudent (NewStudent (201604, "source",true, 24)); J128.addstudent (NewStudent (201605, "McRae",true, 25)); //User Input Study number find studentsScanner input =NewScanner (system.in); System.out.print ("Please enter a number to find the student:"); intStudentid=Input.nextint (); BooleanIsfind=false;  for(Student item:J128.getStudents ()) {if(studentid==Item.getstudentid ())                {Item.print ();                System.out.println (); Isfind=true;  Break; }        }        if(!isfind) {System.out.println ("There is no such student!" \ n "); }        //output the class number and all of its student informationJ128.print ();        System.out.println (); //Let the user enter an age to find and output all students older than that ageSystem.out.print ("Please enter an Age:"); intAge=Input.nextint (); BooleanIsfindage=false;  for(Student item:J128.getStudents ()) {if(Item.getage () >Age ) {System.out.println ("Student" +item.getname () + "age greater than" +Age ); Isfindage=true; }        }        if(!isfindage) {System.out.println ("No students older than" +age+ "are found.); }    }}

 Packagep05; Public classSchoolclass {PrivateString number; PrivateString Classtime; Privatestudent[] students;  Publicstudent[] Getstudents () {returnstudents; }     Public voidsetstudents (student[] students) { This. Students =students; }     PublicString GetNumber () {returnNumber ; }     Public voidSetnumber (String number) { This. Number =Number ; }     PublicString Getclasstime () {returnClasstime; }     Public voidsetclasstime (String classtime) { This. Classtime =Classtime; }         PublicSchoolclass (String number,string classtime) {setnumber (number);        Setclasstime (Classtime); Setstudents (NewStudent[0]); }         Public voidaddstudent (Student newstudent) {student[] newstudents=NewStudent[getstudents (). length+1];  for(inti = 0; I < getstudents (). length; i++) {Newstudents[i]=getstudents () [i]; } newstudents[getstudents (). length]=newstudent;    Setstudents (newstudents); }         Public voidprint () {System.out.println ("Class Number:" +GetNumber ());  for(Student item:students) {item.print (); }    }}

 Packagep05; Public classStudent {Private intStudentID; PrivateString name; Private BooleanIsmale; Private intAge ;  PublicString Getismale () {if(Ismale) {returnMale; }        Else {            returnFemale; }    }     Public voidSetmale (BooleanIsmale) {         This. Ismale =Ismale; }     Public intGetstudentid () {returnStudentID; }     Public voidSetstudentid (intStudentID) {         This. StudentID =StudentID; }     PublicString GetName () {returnname; }     Public voidsetName (String name) { This. Name =name; }     Public intGetage () {returnAge ; }     Public voidSetage (intAge ) {         This. Age =Age ; }         PublicStudent (intStudentid,string name,BooleanIsmale,intAge )        {Setmale (Ismale);        Setstudentid (StudentID);        SetName (name);    Setage (age); }         Public voidprint () {System.out.println ("Student Number:" +getstudentid () + ", Name:" +getname () + ", Gender:" +getismale () + ", Age:" +getage ()); }    }

Java Learning Phase II-encapsulation-classes and students