String[] () { return new String[] { "package java.util;" + "public final class Formatter implements java.io.Closeable {" + " public Formatter format(String format, Object ... args) {" + " return this;" + " }" + "}", "package java.util;" + "public final class Scanner implements java.io.Closeable {" + " public Scanner(String source) {}" + " public Scanner useDelimiter(String pattern) {" + " return this;" + " }" + " public String next() {" + " return this;" + " }" + "}" }; }