Java链式写法,子类继承父类的属性,也可以返回子类的对象,只是需要重写基类的Set方法 public class MyLS { public static void main(String[] args) { // TODO Auto-generated method stub System.out.println(new Student().setName("1").setAge(21).toString()); System.out.println(new NAN().setNa
在android开发中显示一个AlertDialog时,常采用下列的写法: new AlertDialog.Builder(getApplicationContext()) .setTitle("Dialog") .setMessage("Link program") .setPositiveButton("OK", new OnClickListener() { @Override public void onClick(DialogInter
以下实例演示了使用多个 catch 来处理链试异常:public class Main { public static void main (String args[])throws Exception { int n=20,result=0; try{ result=n/0; System.out.println("结果为"+result); } catch(ArithmeticException ex){ System.out.println("发算术异常: "