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    • Java Operators

      Java Operators

      Java Operator Operator Description [ ] Array index () Method call . Member access ++ Prefix or postfix increment — Prefix or postfix decrement + – Unary plus, minus ~ Bitwise NOT ! Boolean (logical) NOT (type) Type cast new Object creation * / % Multiplication, division, remainder + – Addition, subtraction + String concatenation

    • Disassembler

      Disassembler

      A disassembler is a software that is able to convert an executable language into an assembly language, allowing users to view the individual commands that make a program work. A disassembler is ideal for programming applications because it can be useful when a programmer is attempting to create a similar program to one he/she already

    • How to Enable Java

      How to Enable Java

      The Java Virtual Machine (JVM) is a collection of software programs and data modules that forms part of the Java and Java 2 platforms. JVM works across all platforms and it alters Java bytecode into machine understandable code and executes it. It acts as a clone of a Java processor allowing Java bytecode to be

    • How to Find Security Vulnerabilities in Source Code

      How to Find Security Vulnerabilities in Source Code

      The original, and still the best, method for finding security vulnerabilities in source code is to read and understand the source code. Source code security vulnerabilities will vary between languages and platforms. Items to look for in C code include: Potential vulnerability Function calls to examine for vulnerabilities Buffer overflows gets(), scanf(), sprintf(), strcat(), strcpy()

    • How to Declare a Constant in Java

      How to Declare a Constant in Java

      Java does not directly support constants. However, a static final variable is effectively a constant. The static modifier causes the variable to be available without loading an instance of the class where it is defined. The final modifier causes the variable to be unchangeable. Ex: public static final int FOUNDING_YEAR = 2001; Naming Standards for

    • Race Condition

      Race Condition

      A race condition occurs when multiple processes access and manipulate the same data concurrently, and the outcome of the execution depends on the particular order in which the access takes place. A race condition is of interest to a hacker when the race condition can be utilized to gain privileged system access. Consider the following

    • Java Servlet

      Java Servlet

      A Java Servlet is the Java technology used to extend and improve Web server functionality. Servlets are able to provide a platform independent way to build web-based applications founded upon components without the performance limitations found with comparable CGI applications. Since Java Servlets are platform and server independent, they can be deployed across the full

    • Setup PhoneGap for Android on Eclipse

      Setup PhoneGap for Android on Eclipse

      I recently started learning to make Android apps using PhoneGap. I use the Eclipse IDE for development. In this article, I will explain the steps to setup PhoneGap for Android using the Eclipse IDE. This tutorial is meant for Windows. I used the following components: Eclipse Classic 4.2.0 Android SDK ADT Plugin for Eclipse PhoneGap

    • Depth First Search Algorithm

      Depth First Search Algorithm

      A DFS algorithm, as the name implies, is used to search deeper in the graph, whenever possible. The edges are explored, out of the most recently discovered vertex v that still has unexplored edges leaving it. When all of v's edges have been explored, the search backtracks to explore edges leaving the vertex from which

    • Type Conversion – Basic to Class Type

      Type Conversion – Basic to Class Type

      The conversion from basic to user defined data types can be done using constructors. Consider the following constructor: .cf { font-family: Lucida Console; font-size: 9pt; color: black; background: white; } .cl { margin: 0px; } .cb1 { color: green; } .cb2 { color: blue; } .cb3 { color: maroon; }   String :: String(char *a)

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