JVM Code Generation - Introduction to Compiler Construction in a Java World - page 200

9:iconst_0
10:aaload
11:invokespecial #3;//Methodjava/io/FileReader."<init>"
:(Ljava/lang/String;)V
14:astore_1
15:new #4;//classjava/io/FileWriter
18:dup
19:aload_0
20:iconst_1
21:aaload
22:invokespecial #5;//Methodjava/io/FileWriter."<init>"
:(Ljava/lang/String;)V
25:astore_2
26:aload_1
27:invokevirtual #6;//Methodjava/io/FileReader.read:()I
30:dup
31:istore_3
32:iconst_m1
33:if_icmpeq 44
36:aload_2
37:iload_3
38:invokevirtual #7;//Methodjava/io/FileWriter.write:(I)V
41:goto26
44:aload_1
45:invokevirtual #8;//Methodjava/io/FileReader.close:()V
48:aload_2
49:invokevirtual #9;//Methodjava/io/FileWriter.close:()V
52:goto131
55:astore 4
57:getstatic #11;//Fieldjava/lang/System.err:Ljava/io/PrintStream;
60:ldc #12;//Stringusage:javaCopy1sourcefiletargetfile
62:invokevirtual #13;//Methodjava/io/PrintStream.println:
(Ljava/lang/String;)V
65:aload_1
66:invokevirtual #8;//Methodjava/io/FileReader.close:()V
69:aload_2
70:invokevirtual #9;//Methodjava/io/FileWriter.close:()V
73:goto131
76:astore 4
78:getstatic #11;//Fieldjava/lang/System.err:Ljava/io/PrintStream;
81:aload 4
83:invokevirtual #15;//Methodjava/io/PrintStream.println:
(Ljava/lang/Object;)V
86:aload_1
87:invokevirtual #8;//Methodjava/io/FileReader.close:()V
90:aload_2
91:invokevirtual #9;//Methodjava/io/FileWriter.close:()V
94:goto131
97:astore 4
99:getstatic #11;//Fieldjava/lang/System.err:Ljava/io/PrintStream;
102:aload 4
104:invokevirtual #15;//Methodjava/io/PrintStream.println:
(Ljava/lang/Object;)V
107:aload_1
108:invokevirtual #8;//Methodjava/io/FileReader.close:()V
111:aload_2
112:invokevirtual #9;//Methodjava/io/FileWriter.close:()V
115:goto 131
118:astore 5
120:aload_1
121:invokevirtual #8;//Methodjava/io/FileReader.close:()V
124:aload_2
125:invokevirtual #9;//Methodjava/io/FileWriter.close:()V
128:aload 5