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...
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The concept of inheritance in PHP is similar to other object-oriented programming languages, such as Java and C++. As in biological inheritance, a child inherits the properties of his parents; in PHP, a class can inherit properties from another class. It is a way to extend the functionality...