copy with nested try-catch-finally

  public void copy() throws java.io.FileNotFoundException;
    Code:
       0: new           #22                 // class java/io/FileInputStream
       3: dup           
       4: ldc           #29                 // String in.txt
       6: invokespecial #23                 // Method java/io/FileInputStream."<init>":(Ljava/lang/String;)V
       9: astore_1      
      10: new           #30                 // class java/io/FileOutputStream
      13: dup           
      14: ldc           #31                 // String out.txt
      16: invokespecial #32                 // Method java/io/FileOutputStream."<init>":(Ljava/lang/String;)V
      19: astore_2      
      20: sipush        1024
      23: newarray       byte
      25: astore_3      
      26: iconst_m1     
      27: aload_1       
      28: aload_3       
      29: invokevirtual #33                 // Method java/io/InputStream.read:([B)I
      32: if_icmpeq     43
      35: aload_2       
      36: aload_3       
      37: invokevirtual #34                 // Method java/io/OutputStream.write:([B)V
      40: goto          26
      43: aload_1       
      44: invokevirtual #35                 // Method java/io/InputStream.close:()V
      47: aload_2       
      48: invokevirtual #36                 // Method java/io/OutputStream.close:()V
      51: goto          97
      54: astore        4
      56: ldc           #38                 // class wox/serial/Easy
      58: invokevirtual #39                 // Method java/lang/Class.getName:()Ljava/lang/String;
      61: invokestatic  #40                 // Method java/util/logging/Logger.getLogger:(Ljava/lang/String;)Ljava/util/logging/Logger;
      64: getstatic     #41                 // Field java/util/logging/Level.SEVERE:Ljava/util/logging/Level;
      67: aconst_null   
      68: aload         4
      70: invokevirtual #42                 // Method java/util/logging/Logger.log:(Ljava/util/logging/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
      73: aload_1       
      74: invokevirtual #35                 // Method java/io/InputStream.close:()V
      77: aload_2       
      78: invokevirtual #36                 // Method java/io/OutputStream.close:()V
      81: goto          97
      84: astore        5
      86: aload_1       
      87: invokevirtual #35                 // Method java/io/InputStream.close:()V
      90: aload_2       
      91: invokevirtual #36                 // Method java/io/OutputStream.close:()V
      94: aload         5
      96: athrow        
      97: goto          119
     100: astore        4
     102: ldc           #38                 // class wox/serial/Easy
     104: invokevirtual #39                 // Method java/lang/Class.getName:()Ljava/lang/String;
     107: invokestatic  #40                 // Method java/util/logging/Logger.getLogger:(Ljava/lang/String;)Ljava/util/logging/Logger;
     110: getstatic     #41                 // Field java/util/logging/Level.SEVERE:Ljava/util/logging/Level;
     113: aconst_null   
     114: aload         4
     116: invokevirtual #42                 // Method java/util/logging/Logger.log:(Ljava/util/logging/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
     119: return        
    Exception table:
       from    to  target type
          26    43    54   Class java/io/IOException
          26    43    84   any
          54    73    84   any
          84    86    84   any
          26    97   100   Class java/io/IOException