62,614
社区成员
发帖
与我相关
我的任务
分享
class A {
static A aa = new A();
public A() {
System.out.println("aa=" + aa); //null
}
public static void main(String[] args) {
System.out.println("A.aa="+ A.aa); //
}
}
public class Test11 {
public Test11 test11=new Test11();
public static void main(String[] args) {
System.out.println(new Test11().test11);
}
}
上面的代码 是直接报错的
"C:\Program Files\Java\jdk1.8.0_121\bin\java" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.4\lib\idea_rt.jar=13535:C:\Program Files\JetBrains\IntelliJ IDEA 2017.3.4\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_121\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_121\jre\lib\rt.jar;D:\Java\workspace\ThreadDemo\out\production\main" com.demo.Test11
Exception in thread "main" java.lang.StackOverflowError
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>(Test11.java:10)
at com.demo.Test11.<init>