allan.jacobs@Eng 1997-10-19

A local, inner class cannot be instantiated inside a block in the
same method in which the inner class is declared.

algol% which java
/usr/java/bin/java
algol% java -fullversion
java full version "1.1.4n:1997.10.16"
algol% setenv CLASSPATH .
algol% cat X.java

class X {
        int a;
        X() {
                a = 1;
        }
        void func() {
                X ox ;
                { // Block
                        ox = new X();
                        System.out.println("ox.a="+ox.a+" (expect 1)");
                }
                { // Block
                        class Y { // Local class declaration
                                public int x;
                                {
                                        x = 4;
                                }
                        }
                        { // Block
                                Y oy = new Y();
                                System.out.println("oy.x="+oy.x+" (expect 4)");
                        }
                }
        }
        public static void main(String[] argv)
        {
                new X(). func();
                System.exit(0);
        }
}
algol% javac -d . X.java
X.java:21: Class Y not found in type declaration.
                                Y oy = new Y();
                                ^
X.java:21: Class Y not found in type declaration.
                                Y oy = new Y();
                                           ^
2 errors