JapanLife

package haksa.domain; public class Teacher extends Person{ private String sub;public Teacher(){}public Teacher(String name,int age,String sub){super(name,age);setSub(sub);}private void setSub(String sub){this.sub=sub;}public String getSub(){return sub;}//Method overriding.....................public void printAll(){ super.printAll(); System.out.println("학번:"+getSub()); }};

package haksa.domain; public class Student extends Person{ private String stu_id;public Student(){}public Student(String name,int age,String stu_id){super(name,age);setStu_id(stu_id);}private void setStu_id(String stu_id){this.stu_id=stu_id;}public String getStu_id(){return stu_id;}//Method overriding.....................public void printAll(){ super.printAll(); System.out.println("학번:"+getStu_i..

package haksa.domain; public class Student extends person{ private String stu_id;public Student(){}public Student(String name,int age,String stu_id){setStu_id(stu_id);}private void setStu_id{String stu_id){this .Stu_id=stu_id;}public String getStu_id{return stu_id;}};

package haksa.domain; public class Student extends person{ private String stu_id;public Student(){}public Student(String name,int age,String stu_id){setStu_id(stu_id);}private void setStu_id{String stu_id){this .Stu_id=stu_id;}public String getStu_id{return stu_id;}};

public class String_test{public static void main(String args[]){String s1 = new String("임은결");String s2 = new String("임은결");String s3 = "홍길동";String s4 = "홍길동"; if(s1==s2){System.out.println("같은 주소값이네요...1");} if(s3==s4){ System.out.println("같은 주소값이네요...2"); } }}

import haksa.util.Management; public class SchoolTest{public static void main(String args[]){Management m = new Management();m.makeStudent("정종두",30,"95");m.makeTeacher("아카네",20,"자바");m.makeEmployee("아이다",25,"날라리팀");m.printPerson(); }}

class Root{public static void main(String[]arguments){int number=225;System.out.println("The square root of"+ number+"is"+ Math.sqrt(number) );}}

package haksa.domain; public class Person{private String name;private int age; public Person(){} public Person(String name,int age){setName(name);setAge(age);} public void setName(String name){this.name=name;}public void setAge(int age){this.age=age;} public String getName(){return name;}public int getAge(){return age;}public void printAll(){System.out.print("이름:"+name+"나이"+age); }}

public class NameRule{ public static final String Korea _NAME = "대한민국";public static String msgValue = "짝짝 짝짝짝"; public static String getMessage(){return msgValue; } public static void main(String args[]){System.out.println(KOREA_NAME + "\n" + getMessage());}}

import java.awt.*; public class RootApplet extends javax.swing.JApplet{int number; public void init(){number=225;} public void paint(Graphics screen) {Graphics2D screen2D = (Graphics2D)screen;screen2D.drawString("The squre root of " +number +"is"+Math.sqrt(number),5,50);}}