java程序填空題?。?！設(shè)計(jì)一個(gè)學(xué)生類(lèi)Student，其屬性有name(姓名)、age（年齡）和degree（學(xué)位）。

class?Student{

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private?String?name;

private?int?age;

private?String?degree;

public?Student(String?name,?int?age,?String?degree)?{

super();

this.name?=?name;

this.age?=?age;

this.degree?=?degree;

}

public?Student()?{

super();

}

public?String?getName()?{

return?name;

}

public?void?setName(String?name)?{

this.name?=?name;

}

public?int?getAge()?{

return?age;

}

public?void?setAge(int?age)?{

this.age?=?age;

}

public?String?getDegree()?{

return?degree;

}

public?void?setDegree(String?degree)?{

this.degree?=?degree;

}

public?void?show(){

System.out.println("姓名："?+?this.getName()?+?".?年齡："?+?this.getAge()?+?".?學(xué)位："?+?this.getDegree()?);

}

}

class?Undergraduate?extends?Student{

private?String?specialty;

public?String?getSpecialty()?{

return?specialty;

}

public?void?setSpecialty(String?specialty)?{

this.specialty?=?specialty;

}

public?Undergraduate(String?name,?int?age,?String?degree,?String?specialty)?{

super(name,?age,?degree);

this.specialty?=?specialty;

}

public?Undergraduate(String?name,?int?age,?String?degree)?{

super(name,?age,?degree);

}

public?void?show(){

System.out.println("姓名："?+?this.getName()?+?".?年齡："?+?this.getAge()?+?".?學(xué)位："?+?this.getDegree()?+?".?專(zhuān)業(yè)："?+?this.getSpecialty());

}

}

class?Graduate?extends?Student{

private?String?direction;

public?String?getDirection()?{

return?direction;

}

public?void?setDirection(String?direction)?{

this.direction?=?direction;

}

public?Graduate(String?name,?int?age,?String?degree,?String?direction)?{

super(name,?age,?degree);

this.direction?=?direction;

}

public?Graduate(String?name,?int?age,?String?degree)?{

super(name,?age,?degree);

}

public?void?show(){

System.out.println("姓名："?+?this.getName()?+?".?年齡："?+?this.getAge()?+?".?學(xué)位："?+?this.getDegree()?+?".?研究方向："?+?this.getDirection());

}

}

public?class?exp1401?{

public?static?void?main(String[]?args)?{

Undergraduate?stu1=new?Undergraduate("張三",23,"本科","工業(yè)自動(dòng)化");

Graduate?stu2=new?Graduate("李四",27,"碩士","網(wǎng)絡(luò)技術(shù)");

stu1.show();

stu2.show();

}

}

JAVA填空題

1.對(duì)象

6.java命令加上的java源文件 3個(gè)字節(jié)碼文件

7，重寫(xiě) 重載、

10.GridLayout

三。

1.文件名為 A.java

2. x str

3.n%k == 0

java程序填空題？

public class Main {

public static void main(String[] args) {

Test test = new Test(true);

}

}

class Test {

public Test(){

System.out.println("Constructor one invoked!");

}

public Test(int x){

//此處添加代碼

Test（）；

System.out.println("Constructor two invoked!");

}

public Test(boolean b){

//此處添加代碼

Test（1）；

System.out.println("Constructor three invoked!");

}

}