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    <p>If you declare a nested class in an interface it is always <em>public</em> and <em>static</em>. So:</p> <pre><code>public interface Levels{ class Items { public String value; public String path; public String getValue() {return value;} } } </code></pre> <p>Is exactly the same as </p> <pre><code>public interface Levels{ public static class Items { public String value; public String path; public String getValue() {return value;} } } </code></pre> <p>And even</p> <pre><code>public interface Levels{ static class Items { public String value; public String path; public String getValue() {return value;} } } </code></pre> <p>I've checked this with javap -verbose and they all produce</p> <pre><code>Compiled from "Levels.java" public class Levels$Items extends java.lang.Object SourceFile: "Levels.java" InnerClass: public #14= #3 of #23; //Items=class Levels$Items of class Levels minor version: 0 major version: 50 Constant pool: const #1 = Method #4.#21; // java/lang/Object."&lt;init&gt;":()V const #2 = Field #3.#22; // Levels$Items.value:Ljava/lang/String; const #3 = class #24; // Levels$Items const #4 = class #25; // java/lang/Object const #5 = Asciz value; const #6 = Asciz Ljava/lang/String;; const #7 = Asciz path; const #8 = Asciz &lt;init&gt;; const #9 = Asciz ()V; const #10 = Asciz Code; const #11 = Asciz LineNumberTable; const #12 = Asciz LocalVariableTable; const #13 = Asciz this; const #14 = Asciz Items; const #15 = Asciz InnerClasses; const #16 = Asciz LLevels$Items;; const #17 = Asciz getValue; const #18 = Asciz ()Ljava/lang/String;; const #19 = Asciz SourceFile; const #20 = Asciz Levels.java; const #21 = NameAndType #8:#9;// "&lt;init&gt;":()V const #22 = NameAndType #5:#6;// value:Ljava/lang/String; const #23 = class #26; // Levels const #24 = Asciz Levels$Items; const #25 = Asciz java/lang/Object; const #26 = Asciz Levels; { public java.lang.String value; public java.lang.String path; public Levels$Items(); Code: Stack=1, Locals=1, Args_size=1 0: aload_0 1: invokespecial #1; //Method java/lang/Object."&lt;init&gt;":()V 4: return LineNumberTable: line 2: 0 LocalVariableTable: Start Length Slot Name Signature 0 5 0 this LLevels$Items; public java.lang.String getValue(); Code: Stack=1, Locals=1, Args_size=1 0: aload_0 1: getfield #2; //Field value:Ljava/lang/String; 4: areturn LineNumberTable: line 7: 0 LocalVariableTable: Start Length Slot Name Signature 0 5 0 this LLevels$Items; } </code></pre>
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    1. USDaniel Worthington-Bodart
    1. USDaniel Worthington-Bodart
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