public interface InputOutput {
    
    Object nullWriter = null;

    // It appears that makeAccessible() assumes that the class has public
    // access. The compiler compiles the following two lines without complaint.
    
// class SomeClass implements InputOutput {
// public class SomeClass implements InputOutput {

    // With either of these lines, the compiler reports an illegal combination
    // of modifiers and crashes.
// protected class SomeClass implements InputOutput {
    private class SomeClass implements InputOutput {
       public Object getOut() {
       return nullWriter;
       }
    }
}

$ javac InputOutput.java
InputOutput.java:14: illegal combination of modifiers: public and private
    private class SomeClass implements InputOutput {
            ^
An exception has occurred in the compiler (1.3.0). Please file a bug at the Java
Developer Connection (http://java.sun.com/cgi-bin/bugreport.cgi). Include your
program and the following diagnostic in your report. Thank you.
java.lang.InternalError
     at com.sun.tools.javac.v8.comp.Resolve.isAccessible(Resolve.java:100)
     at com.sun.tools.javac.v8.comp.Resolve.isAccessible(Resolve.java:120)
     at com.sun.tools.javac.v8.comp.Resolve.isAccessible(Resolve.java:144)
     at com.sun.tools.javac.v8.comp.Resolve.findField(Resolve.java:241)
     at com.sun.tools.javac.v8.comp.Resolve.findField(Resolve.java:251)
     at com.sun.tools.javac.v8.comp.Resolve.findVar(Resolve.java:272)
     at com.sun.tools.javac.v8.comp.Resolve.findIdent(Resolve.java:526)
     at com.sun.tools.javac.v8.comp.Resolve.resolveIdent(Resolve.java:663)
     at com.sun.tools.javac.v8.comp.Attr._case(Attr.java:938)
     at com.sun.tools.javac.v8.tree.Tree$Ident.visit(Tree.java:994)
     at com.sun.tools.javac.v8.comp.Attr.attribTree(Attr.java:239)
     at com.sun.tools.javac.v8.comp.Attr.attribExpr(Attr.java:259)
     at com.sun.tools.javac.v8.comp.Attr._case(Attr.java:638)
     at com.sun.tools.javac.v8.tree.Tree$Return.visit(Tree.java:763)
     at com.sun.tools.javac.v8.comp.Attr.attribTree(Attr.java:239)
     at com.sun.tools.javac.v8.comp.Attr.attribStat(Attr.java:281)
     at com.sun.tools.javac.v8.comp.Attr.attribStats(Attr.java:297)
     at com.sun.tools.javac.v8.comp.Attr._case(Attr.java:408)
     at com.sun.tools.javac.v8.tree.Tree$Block.visit(Tree.java:504)
     at com.sun.tools.javac.v8.comp.Attr.attribTree(Attr.java:239)
     at com.sun.tools.javac.v8.comp.Attr.attribStat(Attr.java:281)
     at com.sun.tools.javac.v8.comp.Attr._case(Attr.java:375)
     at com.sun.tools.javac.v8.tree.Tree$MethodDef.visit(Tree.java:453)
     at com.sun.tools.javac.v8.comp.Attr.attribTree(Attr.java:239)
     at com.sun.tools.javac.v8.comp.Attr.attribStat(Attr.java:281)
     at com.sun.tools.javac.v8.comp.Attr.attribClass(Attr.java:1322)
     at com.sun.tools.javac.v8.comp.Attr._case(Attr.java:342)
     at com.sun.tools.javac.v8.tree.Tree$ClassDef.visit(Tree.java:415)
     at com.sun.tools.javac.v8.comp.Attr.attribTree(Attr.java:239)
     at com.sun.tools.javac.v8.comp.Attr.attribStat(Attr.java:281)
     at com.sun.tools.javac.v8.comp.Attr.attribClass(Attr.java:1322)
     at com.sun.tools.javac.v8.JavaCompiler.compile(JavaCompiler.java:384)
     at com.sun.tools.javac.v8.Main.compile(Main.java:258)
     at com.sun.tools.javac.Main.main(Main.java:31)

iris.garcia@eng 1999-11-23