3. Define a notebook class with
two attributes: color (char) and cpu model (int). [Will do questions]
• 3.1 and two no-argument constructor has the Senate; arg constructor may have
to assign for each property while creating an object;
methods • 3.2 output notebook information
• 3.3 and then write a test class, Test the various
methods of the notebook class .
package yu;
public class hg {
String color;
int cpu;
public void show () {
System.out.println ("color is" + color + "model is" + cpu);
}
}
package yu;
public class text {
public static void main(String[] args) {
// TODO Auto-generated method stub
hg R=new hg();
R.color="red";
R.cpu=999;
System.out.println("颜色为："+R.color);
System.out.println("型号为："+R.cpu);
}
}
5, define two classes, described as follows: [will do questions]
• 5.1 definition of a human the Person:
• 5.1.1 define a method sayHello (), you can send out to ask each other
greeting "the Hello, My name IS XXX"
• 5.1 .2 has three attributes: name, height, and weight
• 5.2 defines a PersonCreate class:
• 5.2.1 creates two objects, namely zhangsan, 33 years old, 1.73
; lisi, 44, 1.74
• 5.2.2 calls the sayHello of the objects respectively ()method.
package yu;
public class hg {
double shenggao;
String name;
int year;
public void sayHello () {
System.out.println ("hello, my name is" + name);
System.out.println ("My age is "+ year);
System.out.println (" My height is "+ shenggao);
}
}
package yu;
public class text {
public static void main(String[] args) {
// TODO Auto-generated method stub
hg R1=new hg();
R1.name="zhangshan";
R1.shenggao=1.73;
R1.year=33;
System.out.println("hello,my name is "+R1.name);
System.out.println("我的身高是"+R1.shenggao);
System.out.println("我的年龄是"+R1.year);
hg R2=new hg();
R2.name="lishi";
R2.shenggao=1.74;
R2.year=44;
System.out.println("hello,my name is "+R2.name);
System.out.println("我的身高是"+R2.shenggao);
System.out.println("我的年龄是"+R2.year);
}
}