An abstract class is a class which cannot be instantiated. Creation of an object is not possible with an abstract class, but it can be inherited. An abstract class can contain only an Abstract method. Java allows only abstract method in abstract class while other languages allow non-abstract ...
The compiler allocates much more than 32 bits of heap to this object. ints are 32 bits long in java but every object has headers. The size of these headers differs in 32bit and 64bit and in different VMs. In a 32bit virtual machine each of these header fields are one word or 4 b...
# generate a heap dump when an allocation from the Java heap fails # heap dumps are created in the working directory of the JVM -XX:+HeapDumpOnOutOfMemoryError # specify an alternative path for heap dumps # ensure the directory exists and has sufficient space #-XX:HeapDumpPath=/heap/dump...