7.
Class Student
{
Int a;
String B;
Public Student (INT i)
{
}
Public void aa ()
{
System.out.println ("aa");
}
Public String BB ()
{
System.out.println ("bb");
Return "100";
}
Void CC (INT I, STRING J)
{
System.out.println ("cc");
System.out.println (i);
System.out.println (j);
}
INT DD (Int I, String J)
{
System.out.println ("DD");
System.out.println (i);
System.out.println (j);
Return 30;
}
}
8.
Import java.awt. *;
Class test_awt
{
Public static void main (string [] args)
{
Frame fr = new frame ("abcd");
Button B = New Button ("Hello");
Fr.Add (b);
Fr.setsize (300, 300);
Fr.show ();
}
}
9.
Class test_dog
{
/ *
The comments here are not executed, you can put it in a place where you need it!
* /
/ **
The comments here are document comments, must be placed in front of classes, methods, properties, packages, and overview
* /
Public static void main (string [] args)
{
DOG DD = New DOG ();
Dd.a ();
DD.B ();
Dd.color = "while";
DD.WEIGHT = 20;
System.out.println (DD.COLOR);
DD.C ("White");
DD.D (100);
Dd.a ();
DD.B ();
System.out.println ("Hello World!");
DD.AA ();
}
}
