<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.aaload">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.aastore">...</a>

Push null

The index is an unsigned byte that must be an index into the local variable array of the current frame (§2.6). The local variable at index must contai

The <n> must be an index into the local variable array of the current frame (§2.6). The local variable at <n> must contain a reference. The objectref

The <n> must be an index into the local variable array of the current frame (§2.6). The local variable at <n> must contain a reference. The objectref

The <n> must be an index into the local variable array of the current frame (§2.6). The local variable at <n> must contain a reference. The objectref

The <n> must be an index into the local variable array of the current frame (§2.6). The local variable at <n> must contain a reference. The objectref

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.anewarray">...</a>

Return int from method <a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.areturn">...</a>

The index is an unsigned byte that must be an index into the local variable array of the current frame (§2.6). The objectref on the top of the operand

The <n> must be an index into the local variable array of the current frame (§2.6). The objectref on the top of the operand stack must be of type retu

The <n> must be an index into the local variable array of the current frame (§2.6). The objectref on the top of the operand stack must be of type retu

The <n> must be an index into the local variable array of the current frame (§2.6). The objectref on the top of the operand stack must be of type retu

The <n> must be an index into the local variable array of the current frame (§2.6). The objectref on the top of the operand stack must be of type retu

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.athrow">...</a>

// public native int addressSize(); // ()I

annotation { u2 type_index; u2 num_element_value_pairs; { u2 element_name_index; element_value value; } element_value_pairs[num_element_v

append_frame { u1 frame_type = APPEND; u2 offset_delta; verification_type_info locals[frame_type - 251]; }

// public native int arrayBaseOffset(Class<?> type); // (Ljava/lang/Class;)I

// public native int arrayIndexScale(Class<?> type); // (Ljava/lang/Class;)I

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.arraylength">...</a>

Array Type atype T_BOOLEAN 4 T_CHAR 5 T_FLOAT 6 T_DOUBLE 7 T_BYTE 8 T_SHORT 9 T_INT 10 T_LONG 11

attribute_info { u2 attribute_name_index; u4 attribute_length; u1 info[attribute_length]; } 23 attributes are predefined by this specification. <p> At

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.baload">...</a> <p> byte or boolean

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.bastore">...</a>

The immediate byte is sign-extended to an int value. That value is pushed onto the operand stack.

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.7.21">...</a> BootstrapMethods_attribute { u2 attribute_name_index; u4

for example (if condition): <p> 3 if_icmple 7 (+4) <p> branchPc = 4

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.caload">...</a> <p> byte or boolean

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.castore">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.checkcast">...</a>

parse a class file <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html">Chapter 4. The class File Format</a>

Code_attribute { u2 attribute_name_index; u4 attribute_length; u2 max_stack; u2 max_locals; u4 code_length; u1 code[code_length]; u2 exception_table_l

// public final native boolean compareAndSwapInt(Object o, long offset, int expected, int x); // (Ljava/lang/Object;JII)Z

// public final native boolean compareAndSwapLong(Object o, long offset, long expected, long x); // (Ljava/lang/Object;JJJ)Z

// public final native boolean compareAndSwapObject(Object o, long offset, Object expected, Object x) // (Ljava/lang/Object;JLjava/lang/Object;Ljava/l

组合路径，路径之间使用 ; 分割（windows）

CONSTANT_Class_info { u1 tag; u2 name_index; }

Constant Type Value CONSTANT_Class 7 CONSTANT_Fieldref 9 CONSTANT_Methodref 10 CONSTANT_Interf

CONSTANT_InvokeDynamic_info { u1 tag; u2 bootstrap_method_attr_index; u2 name_and_type_index; }

CONSTANT_Fieldref_info { u1 tag; u2 class_index; u2 name_and_type_index; } <p> CONSTANT_Methodref_info { u1 tag; u2 class_index; u2 name_and_type_inde

CONSTANT_MethodHandle_info { u1 tag; u1 reference_kind; u2 reference_index; }

CONSTANT_MethodType_info { u1 tag; u2 descriptor_index; }

The constant_pool is a table of structures representing various string constants, class and interface names, field names, and other constants that are

运行时常量池

ConstantValue_attribute { u2 attribute_name_index; u4 attribute_length; u2 constantvalue_index; }

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.d2f">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.d2i">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.d2l">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.daload">...</a> <p> byte or boolean

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.dastore">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.dadd">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.dcmp_op">...</a>

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.dcmp_op">...</a>

Push the double constant (0.0) onto the operand stack.

Push the double constant (1.0) onto the operand stack.

<a href="https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-6.html#jvms-6.5.ddiv">...</a>

The index is an unsigned byte. Both index and index+1 must be indices into the local variable array of the current frame (§2.6). The local variable at

Both <n> and <n>+1 must be indices into the local variable array of the current frame (§2.6). The local variable at <n> must contain a double. The val

Both <n> and <n>+1 must be indices into the local variable array of the current frame (§2.6). The local variable at <n> must contain a double. The val

Both <n> and <n>+1 must be indices into the local variable array of the current frame (§2.6). The local variable at <n> must contain a double. The val

Both <n> and <n>+1 must be indices into the local variable array of the current frame (§2.6). The local variable at <n> must contain a double. The val