Quine.java

package me.kenzierocks.test;

public class Quine {

    static String data = "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";

    public static void main(String[] args) {
        System.err.println("package me.kenzierocks.test;");
        System.err.println("");
        System.err.println("public class Quine {");
        System.err.println("");
        System.err.println("    static String data = \"" + data + "\";");
        System.err.println(new String(java.util.Base64.getDecoder().decode(data), java.nio.charset.StandardCharsets.UTF_8));
    }

}