Although Java lacks a true sizeof () equivalent, the Instrumentation interface introduced with J2SE5 can be used to get an estimate of the size of a particular object via its getObjectSize (Object ...

For example, you can use pattern matching to find out if a Java Object is a String. Here are some advantages of pattern matching: ...

Need to disassemble a Java class file? Want to look at the bytecode instructions generated from compiling source? These javap tool examples will show you how to use the javap command properly.

Pass the static System.in object to the Scanner’s Java constructor Use Scanner’s next() method to take input one String at a time Optionally use the Scanner’s hasNext() method to loop over the process ...