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When you open the JASM formatted disassembly (HelloWorld.jasm), you see the following:
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super public class HelloWorld version 50:0 { public Method "<init>":"()V" stack 1 locals 1 { aload_0; invokespecial Method java/lang/Object."<init>":"()V"; return; } public static Method main:"([Ljava/lang/String;)V" stack 2 locals 1 { getstatic Field java/lang/System.out:"Ljava/io/PrintStream;"; ldc String "Hello, world!"; invokevirtual Method java/io/PrintStream.println:"(Ljava/lang/String;)V"; return; } } // end Class HelloWorld |
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When you open the JCOD formatted disassembly (HelloWorld.jcod), you see the following:
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class HelloWorld { 0xCAFEBABE; 0; // minor version 50; // version [] { // Constant Pool ; // first element is empty Method #6 #15; // #1 Field #16 #17; // #2 String #18; // #3 Method #19 #20; // #4 class #21; // #5 class #22; // #6 Utf8 "<init>"; // #7 Utf8 "()V"; // #8 Utf8 "Code"; // #9 Utf8 "LineNumberTable"; // #10 Utf8 "main"; // #11 Utf8 "([Ljava/lang/String;)V"; // #12 Utf8 "SourceFile"; // #13 Utf8 "HelloWorld.java"; // #14 NameAndType #7 #8; // #15 class #23; // #16 NameAndType #24 #25; // #17 Utf8 "Hello, world!"; // #18 class #26; // #19 NameAndType #27 #28; // #20 Utf8 "HelloWorld"; // #21 Utf8 "java/lang/Object"; // #22 Utf8 "java/lang/System"; // #23 Utf8 "out"; // #24 Utf8 "Ljava/io/PrintStream;"; // #25 Utf8 "java/io/PrintStream"; // #26 Utf8 "println"; // #27 Utf8 "(Ljava/lang/String;)V"; // #28 } // Constant Pool 0x0021; // access #5;// this_cpx #6;// super_cpx [] { // Interfaces } // Interfaces [] { // fields } // fields [] { // methods { // Member 0x0001; // access #7; // name_cpx #8; // sig_cpx [] { // Attributes Attr(#9) { // Code 1; // max_stack 1; // max_locals Bytes[]{ 0x2AB70001B1; }; [] { // Traps } // end Traps [] { // Attributes Attr(#10) { // LineNumberTable [] { // LineNumberTable 0 1; } } // end LineNumberTable } // Attributes } // end Code } // Attributes } // Member ; { // Member 0x0009; // access #11; // name_cpx #12; // sig_cpx [] { // Attributes Attr(#9) { // Code 2; // max_stack 1; // max_locals Bytes[]{ 0xB200021203B60004; 0xB1; }; [] { // Traps } // end Traps [] { // Attributes Attr(#10) { // LineNumberTable [] { // LineNumberTable 0 3; 8 4; } } // end LineNumberTable } // Attributes } // end Code } // Attributes } // Member } // methods [] { // Attributes Attr(#13) { // SourceFile #14; } // end SourceFile } // Attributes } // end class HelloWorld |
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