package c; |
import java.util.*; |
public class my { |
public static void main(String[] args) { |
Student c1= new Student(); |
Student c2= new Student(); |
c1.setnumber( 2019110105 ); |
c1.setname( "chen" ); |
c1.setEgrade( 87 ); |
c1.setMgrade( 78 ); |
c1.setCgrade( 84 ); |
c1.Sum(); |
c1.equal(); |
System.out.println( "总成绩为:" +c1.getSumgrade()); |
System.out.println( "平均成绩为:" +c1.getequalgrade()); |
System.out.println(c1.toString()); |
c2.Student( 2019110104 , "fang" , 70 , 78 , 94 ); |
c2.Sum(); |
c2.equal(); |
System.out.println(c2.toString()); |
c1.Compare(c2); |
} |
} |
class Student { |
public int number; |
public double Egrade,Mgrade,Cgrade,Sumgrade,equalgrade,testscore; |
public String name; |
public Student() { |
} |
public void Student( int number,String name, double Egrade, double Mgrade, double Cgrade) { //构造方法 |
this .number=number; |
this .name=name; |
this .Egrade=Egrade; |
this .Cgrade=Cgrade; |
this .Mgrade=Mgrade; |
} |
public int getnumber() { //get方法 |
return number; |
} |
public String getname() { |
return name; |
} |
public double getEgrade() { |
return Egrade; |
} |
public double getMgrade() { |
return Mgrade; |
} |
public double getCgrade() { |
return Cgrade; |
} |
public double getSumgrade() { |
return Sumgrade; |
} |
public double getequalgrade() { |
return equalgrade; |
} |
public void setnumber( int number) { //set方法 |
this .number=number; |
} |
public void setname(String name) { |
this .name=name; |
} |
public void setEgrade( double Egrade) { |
this .Egrade=Egrade; |
} |
public void setMgrade( double Mgrade) { |
this .Mgrade=Mgrade; |
} |
public void setCgrade( double Cgrade) { |
this .Cgrade=Cgrade; |
} |
public void setSumgrade( double Sumgrade) { |
this .Sumgrade=Sumgrade; |
} |
public void setequalgrade( double equalgrade) { |
this .equalgrade=equalgrade; |
} |
public void Sum() { //sum方法 |
Sumgrade=Egrade+Mgrade+Cgrade; |
} |
public void equal() { //equal方法 |
equalgrade=Sumgrade/ 3 ; |
} |
public void Compare(Student p) { //compare方法 |
if ( this .Sumgrade>p.Sumgrade) { |
System.out.println( this .name+ "同学成绩高" ); |
} |
else if ( this .Sumgrade==p.Sumgrade) { |
System.out.println( "两位同学成绩相同" ); |
} |
else |
System.out.println(p.name+ "同学成绩高" ); |
} |
public void testScore() { |
testscore=Sumgrade/ 3 ; |
} |
public String toString() { //toString方法 |
return "Student [number=" + number + ", Egrade=" + Egrade + ", Mgrade=" + Mgrade + ", Cgrade=" + Cgrade |
+ ", Sumgrade=" + Sumgrade + ", equalgrade=" + equalgrade + ", name=" + name + "]" ; |
} |
} |
============================================================================= |
package c; |
public class my1 { |
public static void main(String[] args) { |
Student c1= new Student(); |
Student c2= new Student(); |
c1.setnumber( 2019110105 ); |
c1.setname( "chen" ); |
c1.setEgrade( 87 ); |
c1.setMgrade( 78 ); |
c1.setCgrade( 84 ); |
c1.Sum(); |
c1.equal(); |
System.out.println( "总成绩为:" +c1.getSumgrade()); |
System.out.println( "平均成绩为:" +c1.getequalgrade()); |
System.out.println(c1.toString()); |
c2.Student( 2019110104 , "fang" , 70 , 78 , 94 ); |
c2.Sum(); |
c2.equal(); |
System.out.println(c2.toString()); |
c1.Compare(c2); |
StudentXW c3= new StudentXW(); |
c3.Student( 2019110106 , "xi" , 60 , 78 , 88 ); |
c3.getzeren( "xuewei" ); |
c3.Sum(); |
c3.testScore(); |
System.out.println(c3.toString()); |
StudentBZ c4= new StudentBZ(); |
c4.Student( 2019110109 , "jin" , 62 , 78 , 94 ); |
c4.getzeren( "banzhang" ); |
c4.Sum(); |
c4.equal(); |
c4.testScore(); |
System.out.println(c4.toString()); |
} |
} |
class StudentXW extends Student{ |
public String zeren; |
public void getzeren(String zeren) { |
this .zeren=zeren; |
} |
public String setzeren() { |
return zeren; |
} |
public void testScore() { |
testscore=Sumgrade/ 3 + 5 ; |
} |
public String toString() { |
return "StudentXW [name=" + name + ", number=" + number + ", Egrade=" + Egrade + ", Mgrade=" + Mgrade |
+ ", Cgrade=" + Cgrade + ", Sumgrade=" + Sumgrade + ", equalgrade=" + equalgrade + ", testscore=" |
+ testscore + ", zeren=" + zeren + "]" ; |
} |
} |
class StudentBZ extends Student{ |
public String zeren; |
public void getzeren(String zeren) { |
this .zeren=zeren; |
} |
public String setzeren() { |
return zeren; |
} |
public void testScore() { |
testscore=Sumgrade/ 3 + 5 ; |
} |
public String toString() { |
return "StudentXW [name=" + name + ", number=" + number + ", Egrade=" + Egrade + ", Mgrade=" + Mgrade |
+ ", Cgrade=" + Cgrade + ", Sumgrade=" + Sumgrade + ", equalgrade=" + equalgrade + ", testscore=" |
+ testscore + ", zeren=" + zeren + "]" ; |
} |
} |