Tag: What exactly is a .class file?

A Java class file is a file (with the . class filename extension) containing Java bytecode that can be executed on the Java Virtual Machine (JVM) . … If a source file has more than one class, each class is compiled into a separate class file.

A simple way to see what String literals are used in a “. class” file is to use the javap utility in your JDK installation to dump the file using the “-v” option. Then grep for text that looks like <String “…”> where … is the String you are looking for.

A class file consists of a stream of 8-bit bytes . All 16-bit, 32-bit, and 64-bit quantities are constructed by reading in two, four, and eight consecutive 8-bit bytes, respectively. Multibyte data items are always stored in big-endian order, where the high bytes come first.

A class file consists of a stream of 8-bit bytes . All 16-bit, 32-bit, and 64-bit quantities are constructed by reading in two, four, and eight consecutive 8-bit bytes, respectively. Multibyte data items are always stored in big-endian order, where the high bytes come first.