静态初始化块
static {
System.out.println("通过静态初始化块初始化age");
age = 20;
}
public void show() {
System.out.println("姓名:" + name + ",性别:" + sex + ",年龄:" + age);
}
public static void main(String[] args) {
HelloWorld hello = new HelloWorld();
hello.show();
static {
System.out.println("通过静态初始化块初始化age");
age = 20;
}
public void show() {
System.out.println("姓名:" + name + ",性别:" + sex + ",年龄:" + age);
}
public static void main(String[] args) {
HelloWorld hello = new HelloWorld();
hello.show();
2016-10-04
// 定义静态变量score2
static int score2 = 92;
// 定义静态方法sum,计算成绩总分,并返回总分
public static int sum() {
int sum=score1+score2;
return sum;
}
public static void main(String[] args) {
// 调用静态方法sum并接收返回值
int allScore = sum();
static int score2 = 92;
// 定义静态方法sum,计算成绩总分,并返回总分
public static int sum() {
int sum=score1+score2;
return sum;
}
public static void main(String[] args) {
// 调用静态方法sum并接收返回值
int allScore = sum();
2016-10-04
public class Initail{
public static void main(String[] args){
Dog dog=new Dog();
Dog.age = 10;
dog.eat();
}
}
老师,这个程序的第4行测试报错,:无法从静态上下文中引用非静态变量age.
public static void main(String[] args){
Dog dog=new Dog();
Dog.age = 10;
dog.eat();
}
}
老师,这个程序的第4行测试报错,:无法从静态上下文中引用非静态变量age.
2016-09-30