bridge method

Bridge.java

import java.util.Arrays;

public class Main {

  public static void main(String[] args) {
    Visitor<Integer> intVisitor = new Visitor<Integer>() {
      @Override
      public Integer visitInt() {
        System.out.println("LOL");
        return null;
      }

      @Override
      public Integer visitFloat() {
        System.out.println("HAHA");
        return null;
      }
    };
}

interface Visitor<R> {
  R visitInt();
  R visitFloat();
}

BridgeDisam.java

// class version 50.0 (50)
// access flags 0x30
// signature Ljava/lang/Object;LVisitor<Ljava/lang/Integer;>;
// declaration: Main$3 implements Visitor<java.lang.Integer>
final class Main$3 implements Visitor  {

  // compiled from: Main.java
  OUTERCLASS Main main ([Ljava/lang/String;)V
  // access flags 0x8
  static INNERCLASS Main$3 null null

  // access flags 0x0
  <init>()V
   L0
    LINENUMBER 32 L0
    ALOAD 0
    INVOKESPECIAL java/lang/Object.<init> ()V
    RETURN
   L1
    LOCALVARIABLE this LMain$3; L0 L1 0
    MAXSTACK = 1
    MAXLOCALS = 1

  // access flags 0x1
  public visitInt()Ljava/lang/Integer;
   L0
    LINENUMBER 35 L0
    GETSTATIC java/lang/System.out : Ljava/io/PrintStream;
    LDC "LOL"
    INVOKEVIRTUAL java/io/PrintStream.println (Ljava/lang/String;)V
   L1
    LINENUMBER 36 L1
    ACONST_NULL
    ARETURN
   L2
    LOCALVARIABLE this LMain$3; L0 L2 0
    MAXSTACK = 2
    MAXLOCALS = 1

  // access flags 0x1
  public visitFloat()Ljava/lang/Integer;
   L0
    LINENUMBER 41 L0
    GETSTATIC java/lang/System.out : Ljava/io/PrintStream;
    LDC "HAHA"
    INVOKEVIRTUAL java/io/PrintStream.println (Ljava/lang/String;)V
   L1
    LINENUMBER 42 L1
    ACONST_NULL
    ARETURN
   L2
    LOCALVARIABLE this LMain$3; L0 L2 0
    MAXSTACK = 2
    MAXLOCALS = 1

  // access flags 0x1041
  public synthetic bridge visitFloat()Ljava/lang/Object;
   L0
    LINENUMBER 32 L0
    ALOAD 0
    INVOKEVIRTUAL Main$3.visitFloat ()Ljava/lang/Integer;
    ARETURN
   L1
    LOCALVARIABLE this LMain$3; L0 L1 0
    MAXSTACK = 1
    MAXLOCALS = 1

  // access flags 0x1041
  public synthetic bridge visitInt()Ljava/lang/Object;
   L0
    LINENUMBER 32 L0
    ALOAD 0
    INVOKEVIRTUAL Main$3.visitInt ()Ljava/lang/Integer;
    ARETURN
   L1
    LOCALVARIABLE this LMain$3; L0 L1 0
    MAXSTACK = 1
    MAXLOCALS = 1
}