Question
WHAT TO DO IS GIVEN CLEARLY IN THE IMAGES ATTACHED BELOW :- App.java :- package L05; /** * * @author user */ public class App
WHAT TO DO IS GIVEN CLEARLY IN THE IMAGES ATTACHED BELOW :-
App.java :-
package L05;
/**
*
* @author user
*/
public class App
{
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
double avgGPA = 0.0;
double semGPA = 0.0;
Student s1 = new Student("Iron", "Man", 12);
Student s2 = new Student("Black", "Widow", 12);
Student s3 = new Student("Captain", "America", 12);
Student s4 = new Student("Spider", "Man", 12);
Group g1 = new Group("Avengers", s1, s2, s3, s4);
new MainFrame(g1).setVisible(true);
}
}
MainFrame.java :-
package L05;
/**
*
* @author user
*/
public class MainFrame extends javax.swing.JFrame
{
public MainFrame(Group grp)
{
super ("Assignment 05");
controlPanel = new ControlPanel(grp);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(controlPanel, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 642, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(controlPanel, javax.swing.GroupLayout.DEFAULT_SIZE, 366, Short.MAX_VALUE)
);
pack();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
//
private void initComponents() {
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 642, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 366, Short.MAX_VALUE)
);
pack();
}//
// Variables declaration - do not modify
// End of variables declaration
private ControlPanel controlPanel;
}
ControlPanel.java :-
package L05;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JPanel;
/**
*
* @author user
*/
public class ControlPanel extends JPanel
{
private TopPanel topPanel;
private CenterPanel centerPanel;
ControlPanel(Group grp)
{
setLayout(new java.awt.BorderLayout(1, 1));
topPanel = new TopPanel(grp);
topPanel.setBackground(new java.awt.Color(0, 0, 204));
topPanel.setPreferredSize(new java.awt.Dimension(590, 45));
centerPanel = new CenterPanel(grp);
centerPanel.setLayout(new java.awt.GridLayout(4, 0));
add(topPanel, java.awt.BorderLayout.PAGE_START);
add(centerPanel, java.awt.BorderLayout.CENTER);
}
}
TopPanel.java :-
package L05;
import javax.swing.JPanel;
/**
*
* @author user
*/
public class TopPanel extends JPanel
{
// Variables declaration - do not modify
public javax.swing.JButton jButton1;
public javax.swing.JButton jButton2;
public javax.swing.JButton jButton3;
TopPanel(Group grp)
{
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton1.setText(grp.name);
jButton2.setText("Group Average GPA is ");
jButton3.setText(grp.averageGPA().toString());
javax.swing.GroupLayout TopPanelLayout = new javax.swing.GroupLayout(this);
setLayout(TopPanelLayout);
TopPanelLayout.setHorizontalGroup(
TopPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(TopPanelLayout.createSequentialGroup()
.addGap(114, 114, 114)
.addComponent(jButton1)
.addGap(113, 113, 113)
.addComponent(jButton2)
.addGap(72, 72, 72)
.addComponent(jButton3)
.addContainerGap(124, Short.MAX_VALUE))
);
TopPanelLayout.setVerticalGroup(
TopPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, TopPanelLayout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(TopPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton2)
.addComponent(jButton3))
.addContainerGap())
);
}
}
CenterPanel.java :-
package L05;
import javax.swing.JPanel;
/**
*
* @author user
*/
public class CenterPanel extends JPanel
{
public javax.swing.JButton jButton4;
public javax.swing.JButton jButton5;
public javax.swing.JButton jButton6;
public javax.swing.JButton jButton7;
CenterPanel(Group grp)
{
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
setLayout(new java.awt.GridLayout(4, 0));
jButton4.setText(grp.member1.getInfo());
add(jButton4);
jButton5.setText(grp.member2.getInfo());
add(jButton5);
jButton6.setText(grp.member3.getInfo());
add(jButton6);
jButton7.setText(grp.member4.getInfo());
add(jButton7);
}
}
Group.java :-
package L05;
/**
*
* @author user
*/
public class Group
{
public String name;
public Student member1;
public Student member2;
public Student member3;
public Student member4;
public double g1=this.member1.getGPA();
public double g2=this.member2.getGPA();
public double g3=this.member3.getGPA();
public double g4=this.member4.getGPA();
public double g=g1+g2+g3+g4;
public Group(String name, Student s1, Student s2, Student s3, Student s4)
{
this.name=name;
this.member1=s1;
this.member2=s2;
this.member3=s3;
this.member4=s4;
}
public void getInfo()
{
System.out.printf("Group Name: %s ",this.name);
this.member1.getInfo();
this.member2.getInfo();
this.member3.getInfo();
this.member4.getInfo();
System.out.printf("Group GPA: %.2f ",this.averageGPA());
}
public Double averageGPA()
{
double avgGPA=0.0;
avgGPA=g;
avgGPA/=4;
long factor = (long) Math.pow(10, 2);
avgGPA = avgGPA * factor;
long tmp = Math.round(avgGPA);
return (double) tmp / factor;
// return avgGPA;
}
public double getSemesterGPA(Student s)
{
return s.getGPA();
}
}
Student.java :-
package L05;
/**
*
* @author user
*/
public class Student
{
private String firstName;
private String lastName;
private int age;
private double gpa;
public Student(String fName, String lName, int age)
{
this.firstName = fName;
this.lastName = lName;
this.age = age;
//init gpa
semesterGPA();
}
public String getInfo()
{
return "Name = " +this.firstName+" "+this.lastName+" "+this.gpa;
}
public void semesterGPA()
{
double semgpa = Math.random() * 4.0;
long factor = (long) Math.pow(10, 2);
semgpa = semgpa * factor;
long tmp = Math.round(semgpa);
gpa=(double) tmp / factor;
}
public String getFirstName()
{
return firstName;
}
public double getGPA()
{
return gpa;
}
}
-
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