8230723: Remove default constructors from java.lang and java.io

Reviewed-by: bpb, rriggs

src/java.base/share/classes/java/io/InputStream.java

@@ -55,6 +55,11 @@ public abstract class InputStream implements Closeable {
 
     private static final int DEFAULT_BUFFER_SIZE = 8192;
 
+    /**
+     * Constructor for subclasses to call.
+     */
+    public InputStream() {}
+
     /**
      * Returns a new {@code InputStream} that reads no bytes. The returned
      * stream is initially open.  The stream is closed by calling the

src/java.base/share/classes/java/io/ObjectInputStream.java

@@ -1321,6 +1321,10 @@ public class ObjectInputStream
      * Provide access to the persistent fields read from the input stream.
      */
     public abstract static class GetField {
+        /**
+         * Constructor for subclasses to call.
+         */
+        public GetField() {}
 
         /**
          * Get the ObjectStreamClass that describes the fields in the stream.

src/java.base/share/classes/java/io/ObjectOutputStream.java

@@ -879,6 +879,10 @@ public class ObjectOutputStream
      * @since 1.2
      */
     public abstract static class PutField {
+        /**
+         * Constructor for subclasses to call.
+         */
+        public PutField() {}
 
         /**
          * Put the value of the named boolean field into the persistent field.

src/java.base/share/classes/java/io/OutputStream.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,6 +46,11 @@ import java.util.Objects;
  * @since   1.0
  */
 public abstract class OutputStream implements Closeable, Flushable {
+    /**
+     * Constructor for subclasses to call.
+     */
+    public OutputStream() {}
+
     /**
      * Returns a new {@code OutputStream} which discards all bytes.  The
      * returned stream is initially open.  The stream is closed by calling