I'm curious about what ldc short for in JVM?

问题

ByteCode：ldc pushes a one-word constant onto the operand stack. ldc takes a single parameter, , which is the value to push.

Most of the bytecodes in JVM can figure out their name by the code description. However, the ldc, I don't see any clue.

回答1:

I suppose it is LoaD Constant but I do not have any reference.

回答2:

It is Load Constant. It loads an item from the constant pool onto the stack. The available types are:

• int
• float
• java.lang.String
• java.lang.Class

The Java 7 JVM added java.lang.invoke.MethodType and java.lang.invoke.MethodHandle.

The special variant ldc2_w will load an item of either long or double type onto the stack.

来源：https://stackoverflow.com/questions/28264012/im-curious-about-what-ldc-short-for-in-jvm