public int getCodeLength() {
		return codeLength;
	}
The value of the code_length item gives the number of bytes in the code array
for this method. The value of code_length must be greater than zero; the code
array must not be empty.
@return the number of bytes in the code array for this method
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/attributes/CodeAttribute.java