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public class TestInnn {

    int a = 10

    public class Inn {

        int a = 5

        public void test(){

            println a

            println TestInnn.this.a

        }

    }

    public static void main(String[] args) {

        TestInnn tt = new TestInnn()

        Inn i = tt.new Inn()

        i.test()

    }

}

groovy不行的么

Exception in thread "main" groovy.lang.MissingMethodException: No signature of method: static syy.ls.saka.TestInnn.Inn() is applicable for argument types: () values: []

Possible solutions: any(), any(groovy.lang.Closure), find(groovy.lang.Closure), is(java.lang.Object), main([Ljava.lang.String;), use([Ljava.lang.Object;)

at groovy.lang.MetaClassImpl.invokeStaticMissingMethod(MetaClassImpl.java:1354)

at groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1340)

at org.codehaus.groovy.runtime.callsite.StaticMetaClassSite.callStatic(StaticMetaClassSite.java:62)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallStatic(CallSiteArray.java:50)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:157)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:161)

at syy.ls.saka.TestInnn.main(TestInnn.groovy:15)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:601)

at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)