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import java.lang.reflect.Method;
public class Obj {
int obj_i = 11;
Integer obj_int = new Integer(obj_i);
public void println(String str,boolean b){
int fun_i = 99;
Integer fun_int = new Integer(fun_i);
try {
System.out.println(str + "start");
fun_i --;
obj_i ++;
if(b){
Thread.sleep(2000);
fun_i --;
obj_i ++;
}
System.out.println(str + "end");
System.out.println(str + "对象>" + this + ">" + System.identityHashCode(this));
System.out.println(str + "对象>" + obj_i + ">" + System.identityHashCode(obj_i));
System.out.println(str + "对象>" + obj_int + ">" + System.identityHashCode(obj_int));
System.out.println(str + "方法>" + fun_i + ">" + System.identityHashCode(fun_i));
System.out.println(str + "方法>" + fun_int + ">" + System.identityHashCode(fun_int));
Method[] mds = this.getClass().getMethods();
for (Method md : mds) {
if ("println".equals(md.getName())) {
System.out.println(str + "方法>" + md + ">" + System.identityHashCode(md));
}
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public class Test {
public static void main(String[] args) {
final Obj obj = new Obj();
Thread t3 = new Thread(new Runnable() {
@Override
public void run() {
obj.println("c", true);
}
});
Thread t4 = new Thread(new Runnable() {
@Override
public void run() {
int i = 0;
// for(int i = 0; i < 20; i++){
obj.println("d" + i, false);
// }
}
});
t3.start();
t4.start();
obj.println("main", false);
}
}
结果
--------------------
mainstart
mainend
main对象>javay.test.Obj@759ebb3d>1973336893
main对象>12>1212899836
main对象>11>1174290147
main方法>98>1289696681
main方法>99>1285044316
main方法>public void javay.test.Obj.println(java.lang.String,boolean)>1607460018
cstart
d0start
d0end
d0对象>javay.test.Obj@759ebb3d>1973336893
d0对象>14>651376380
d0对象>11>1174290147
d0方法>98>1289696681
d0方法>99>672455766
d0方法>public void javay.test.Obj.println(java.lang.String,boolean)>741039500
cend
c对象>javay.test.Obj@759ebb3d>1973336893
c对象>15>1413515514
c对象>11>1174290147
c方法>97>1518828546
c方法>99>1589175178
c方法>public void javay.test.Obj.println(java.lang.String,boolean)>465204793
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原文地址:http://my.oschina.net/u/660460/blog/464756