When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Java performance - Wikipedia

    en.wikipedia.org/wiki/Java_performance

    Java memory use is much higher than C++'s memory use because: There is an overhead of 8 bytes for each object and 12 bytes for each array [61] in Java. If the size of an object is not a multiple of 8 bytes, it is rounded up to next multiple of 8. This means an object holding one byte field occupies 16 bytes and needs a 4-byte reference.

  3. Heap overflow - Wikipedia

    en.wikipedia.org/wiki/Heap_overflow

    A heap overflow, heap overrun, or heap smashing is a type of buffer overflow that occurs in the heap data area. Heap overflows are exploitable in a different manner to that of stack-based overflows. Memory on the heap is dynamically allocated at runtime and typically contains program data.

  4. Memory safety - Wikipedia

    en.wikipedia.org/wiki/Memory_safety

    Many different types of memory errors can occur: [24] [25] Spatial. Buffer overflow – out-of-bound writes can corrupt the content of adjacent objects, or internal data (like bookkeeping information for the heap) or return addresses.

  5. Heap spraying - Wikipedia

    en.wikipedia.org/wiki/Heap_spraying

    A heap spray can be used to introduce a large amount of order to compensate for this and increase the chances of successful exploitation. Heap sprays take advantage of the fact that on most architectures and operating systems, the start location of large heap allocations is predictable and consecutive allocations are roughly sequential.

  6. Javaground - Wikipedia

    en.wikipedia.org/wiki/Javaground

    Although most mobile phones sold worldwide rely on the Java standard, a significant number of service providers offer BREW based devices, in addition to Android, Windows Mobile, and the iPhone. Javaground's converters eliminate the need to develop a different set of source code for each of these platforms.

  7. Buffer overflow - Wikipedia

    en.wikipedia.org/wiki/Buffer_overflow

    Visualization of a software buffer overflow. Data is written into A, but is too large to fit within A, so it overflows into B.. In programming and information security, a buffer overflow or buffer overrun is an anomaly whereby a program writes data to a buffer beyond the buffer's allocated memory, overwriting adjacent memory locations.

  8. Memory leak - Wikipedia

    en.wikipedia.org/wiki/Memory_leak

    A memory leak reduces the performance of the computer by reducing the amount of available memory. A memory leak can cause an increase in memory usage and performance run-time, and can negatively impact the user experience. [4]

  9. Heap (data structure) - Wikipedia

    en.wikipedia.org/wiki/Heap_(data_structure)

    For Haskell there is the Data.Heap module. The Java platform (since version 1.5) provides a binary heap implementation with the class java.util.PriorityQueue in the Java Collections Framework. This class implements by default a min-heap; to implement a max-heap, programmer should write a custom comparator.