我也是初手,试写一个
public class TestInit
{
static int number;
String firstName;
float height;
float init(float _weight){
float weight;
//局部变量必须先初始化
// weight=weight+5;
weight =_weight;
return weight;
}
public static void main(String[] args)
{
//静态变量初始化在创建实例之前
System.out.println("The value of number is "+TestInit.number+"\n");
//System.out.println("The value of height is "+TestInit.height);
TestInit test=new TestInit();
System.out.println("The value of height is "+test.height+"\n"+
"The value of weight is "+test.init(50)+"\n"+
"Number is "+test.number+"\n"+
"The value of number is "+TestInit.number+"\n");