学步园

交谈中请勿轻信汇款、中奖信息，勿轻易拨打陌生电话。</p> <p> 沧海笑 16:53:04<br /> public class Demo {<br /> public static void main(String[] args) {<br /> Demo d=new Demo();<br /> d.test();<br /> }<br /> public void test() {<br /> try {<br /> System.out.println("IOException");<br /> throw new IOException();<br /> } catch (IOException e) {</p> <p> } catch (Exception ex) {<br /> System.out.println("Exception");<br /> } finally {<br /> System.out.println("Finaly");<br /> }<br /> }<br /> }</p> <p>沧海笑 16:54:31<br /> IOException<br /> Finaly<br /> 沧海笑 16:58:49<br /> public class Demo {<br /> public static void main(String[] args) {<br /> Demo d=new Demo();<br /> d.add();<br /> int i=d.add();<br /> System.out.println(i);<br /> }</p> <p> public int add(){<br /> int static i=1;<br /> return i++;<br /> }<br /> }<br /> 沧海笑 17:01:21<br /> public static void main(String[] args) {<br /> int i=1,j=10;<br /> do{<br /> j--;<br /> }while(++i<5);</p> <p> System.out.println(i+"==="+j);</p> <p> }<br /> 结果是什么：<br /> 沧海笑 17:08:39<br /> static int k=0;<br /> public static boolean MethodA(int a){<br /> k+=a;<br /> return true;<br /> }</p> <p> public static void MethodB(int a){<br /> boolean rs=a<k|MethodA(a);<br /> rs=a<k||MethodA(a);<br /> }<br /> public static void main(String[] args) {<br /> MethodB(4);<br /> MethodB(8);<br /> System.out.println(k);</p> <p> }<br /> 沧海笑 17:14:22<br /> static int i = 0xfffffff01;</p> <p> static int j = ~i;</p> <p> public static void main(String[] args) {<br /> System.out.println(j);<br /> }<br /> 沧海笑 17:22:48<br /> class A{<br /> public A(){<br /> System.out.println("A");<br /> }<br /> }</p> <p>class B extends A{<br /> public B(){<br /> System.out.println("B");<br /> }<br /> }</p> <p>class C extends B{<br /> private B b;<br /> public C(){<br /> b=new B();<br /> System.out.println("C");<br /> }<br /> public static void main(String[] args) {<br /> C c=new C();</p> <p> }<br /> }<br />

把哥雷倒了。。