文档介绍：java 程序设计编程实例大全深入一
public class FloatTest
{
public static void main(String args[])
{
float f=;
float s=;
float t=(float);
(f+"\n"+s+"\n"+t);
}
}
public class ReturnTest
{
public static void main(String args[])
{
ReturnTest rt=new ReturnTest();
(2);
// return;
}
public void method(int a)
{
if(a<3)
{
(++a);
(++a);
}
}
}
public class ReferenceTest
{
int a=4;
public static void main(String args[])
{
ReferenceTest rt1=new ReferenceTest();
ReferenceTest rt2=new ReferenceTest();
=5;
(+"\n"+);
rt2=rt1;
=5;
(+"\n"+);
}
}
public class People
{
int age;
public void change1(int i)
{
i++;
}
public void change2(People p)
{
p=new People();
++;
}
public void change3(People p,int i)
{
++;
i++;
}
public static void main(String args[])
{
People people=new People();
int a=0;
/*
();
();
*/
/*
();
();
*/
(people,);
();
}
}
public class Child extends Parent
{
public Child()
{
super(1);
("Child");
}
public static void main(String args[])
{
Child child=new Child();
}
}
class Parent
{
public Parent(int i)
{
("parent1");
}
public Parent()
{
("parent2");
}
}
public class ParamTest
{
public void changePoint(Point point)
{
// Point point=new Point();
=3;
=4;
}
public static void main(String args[])
{
ParamTest pt=new ParamTest();
Point point=new Point();
(point);
(+"\n"+);
}
}
class Point
{
int x;
int y;
}
public class ParamTest2
{
public static void main(Strin