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Homework3
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@Hnoianko
Hnoianko committed Nov 26, 2017
1 parent 5ff0972 commit 440dfb9
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Showing 7 changed files with 281 additions and 0 deletions.
3 changes: 3 additions & 0 deletions Homework3/.gitignore
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Homework3.iml
.idea/
out/
73 changes: 73 additions & 0 deletions Homework3/src/com/gmail/gnoianko/Group.java
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package com.gmail.gnoianko;

import java.util.Arrays;
import java.util.Comparator;

public class Group {
private Student[] group = new Student[10];

public Group() {
super();
}

public void addStudent(Student newStudent)throws GroupIsFullException{
if(newStudent == null){
throw new IllegalArgumentException("Student cannot be null");
}
for (int i = 0; i < group.length; i++){
if(group[i]==null){
group[i]=newStudent;
return;
}
}throw new GroupIsFullException();
}

public boolean deleteStudent(int index) {
if ((index >= 0) & (index <= group.length)) {
group[index - 1] = null;
return true;
} else {
return false;
}
}

public Student searchStudent(String surname) {
for (int i = 0; i < group.length; i++) {
if (group[i] != null && group[i].getSureName() != null && group[i].getSureName().equalsIgnoreCase(surname)) {
return group[i];
}
}
return null;
}

@Override
public String toString() {
StringBuilder sb = new StringBuilder();
Arrays.sort(group, new Comparator<Student>() {
@Override
public int compare(Student o1, Student o2) {
if (o1 == null || o1.getSureName() == null) {
return 1;
}
if (o2 == null || o2.getSureName() == null) {
return -1;
}
if (o1 == null && o2 == null || (o1.getSureName() == null || o2.getSureName() == null)) {
return 0;
}
return o1.getSureName().compareTo(o2.getSureName());
}
});
for (int i = 0; i < group.length; i++) {
if (group[i] != null) {
sb.append(group[i].toString());
}
}
return "Group:" + sb.toString();
}
}





8 changes: 8 additions & 0 deletions Homework3/src/com/gmail/gnoianko/GroupIsFullException.java
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package com.gmail.gnoianko;

public class GroupIsFullException extends Exception {
@Override
public String getMessage(){
return "Group is full";
}
}
59 changes: 59 additions & 0 deletions Homework3/src/com/gmail/gnoianko/Human.java
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package com.gmail.gnoianko;

public class Human {
private String name;
private String sureName;
private int age;
private boolean sex;

public Human(String name, String sureName, int age, boolean sex) {
this.name = name;
this.sureName = sureName;
this.age = age;
this.sex = sex;
}
public Human(){
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getSureName() {
return sureName;
}

public void setSureName(String sureName) {
this.sureName = sureName;
}

public int getAge() {
return age;
}

public void setAge(int age) {
this.age = age;
}

public boolean isSex() {
return sex;
}

public void setSex(boolean sex) {
this.sex = sex;
}

@Override
public String toString() {
return "Human{" +
"name='" + name + '\'' +
", sureName='" + sureName + '\'' +
", age=" + age +
", sex=" + sex +
'}';
}
}
40 changes: 40 additions & 0 deletions Homework3/src/com/gmail/gnoianko/Main.java
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package com.gmail.gnoianko;

public class Main {
public static void main (String[]args){
Student bohdan = new Student("Bohdan", "Hnoianko", 22, true, "KNUTE",75);
Student ivan = new Student("Ivan", "Ivanov", 21, true, "KNUTE",75);
Student roma = new Student("Roman", "Ermak", 22, true, "KNUTE",75);
Student anna = new Student("Ann", "Klop", 21, true, "KNUTE",75);
Student vlad = new Student("Vlad", "Bosh", 23, true, "KNUTE",75);
Student inna = new Student("Inna", "Movchan", 22, true, "KNUTE",75);
Student artem = new Student("Artem", "Kas`ka", 22, true, "KNUTE",75);
Student dima = new Student("Dima", "Varva", 24, true, "KNUTE",75);
Student john = new Student("John", "Robston", 22, true, "KNUTE",75);
Student den = new Student("Den", "Tsaryk", 21, true, "KNUTE",75);

Group group = new Group();
try{
group.addStudent(bohdan);
group.addStudent(ivan);
group.addStudent(roma);
group.addStudent(anna);
group.addStudent(vlad);
group.addStudent(inna);
group.addStudent(artem);
group.addStudent(dima);
group.addStudent(john);
group.addStudent(den);
}catch (GroupIsFullException e){
e.printStackTrace();
}
System.out.println(group);
group.deleteStudent(5);
group.deleteStudent(6);
System.out.println(group);
System.out.println(group.searchStudent("Robston"));



}
}
39 changes: 39 additions & 0 deletions Homework3/src/com/gmail/gnoianko/Student.java
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package com.gmail.gnoianko;

public class Student extends Human {
private String university;
private double totalMark;

public Student(String name, String sureName, int age, boolean sex, String university, double totalMark) {
super(name, sureName, age, sex);
this.university = university;
this.totalMark = totalMark;
}

public Student() {
}

public String getUniversity() {
return university;
}

public void setUniversity(String university) {
this.university = university;
}

public double getTotalMark() {
return totalMark;
}

public void setTotalMark(double totalMark) {
this.totalMark = totalMark;
}

@Override
public String toString() {
return "Student{" +
"university='" + university + '\'' +
", totalMark=" + totalMark+", " + super.toString() +
'}';
}
}
59 changes: 59 additions & 0 deletions Homework3/src/com/gmail/gnoianko/uml.uml
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<?xml version="1.0" encoding="UTF-8"?>
<Diagram>
<ID>JAVA</ID>
<OriginalElement />
<nodes>
<node x="47.62466086647727" y="160.0">com.gmail.gnoianko.Group</node>
<node x="127.75278586647725" y="80.0">com.gmail.gnoianko.GroupIsFullException</node>
<node x="29.87466086647727" y="240.0">com.gmail.gnoianko.Main</node>
<node x="16.752785866477254" y="80.0">com.gmail.gnoianko.Student</node>
<node x="17.252785866477254" y="0.0">com.gmail.gnoianko.Human</node>
</nodes>
<notes />
<edges>
<edge source="com.gmail.gnoianko.Student" target="com.gmail.gnoianko.Human">
<point x="0.0" y="-15.0" />
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</edge>
<edge source="com.gmail.gnoianko.Main" target="com.gmail.gnoianko.Student">
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<point x="44.052785866477265" y="135.0" />
<point x="-18.19999999999999" y="15.0" />
</edge>
<edge source="com.gmail.gnoianko.Main" target="com.gmail.gnoianko.Group">
<point x="15.400000000000006" y="-15.0" />
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<point x="20.75" y="15.0" />
</edge>
<edge source="com.gmail.gnoianko.Group" target="com.gmail.gnoianko.GroupIsFullException">
<point x="31.125" y="-15.0" />
<point x="120.24966086647727" y="135.0" />
<point x="168.00278586647727" y="135.0" />
<point x="-40.25" y="15.0" />
</edge>
<edge source="com.gmail.gnoianko.Main" target="com.gmail.gnoianko.GroupIsFullException">
<point x="30.799999999999997" y="-15.0" />
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<point x="248.50278586647727" y="220.0" />
<point x="40.250000000000014" y="15.0" />
</edge>
<edge source="com.gmail.gnoianko.Group" target="com.gmail.gnoianko.Student">
<point x="-10.375" y="-15.0" />
<point x="78.74966086647727" y="135.0" />
<point x="80.45278586647727" y="135.0" />
<point x="18.200000000000017" y="15.0" />
</edge>
</edges>
<settings layout="Hierarchic Group" zoom="1.2000000000000002" x="154.81818181818159" y="136.75757575757567" />
<SelectedNodes>
<node>com.gmail.gnoianko.GroupIsFullException</node>
</SelectedNodes>
<Categories />
<SCOPE>All</SCOPE>
<VISIBILITY>private</VISIBILITY>
</Diagram>

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