Java2007-02-20
J2EE Application Components
The J2EE runtime environment defines four application component types that a J2EE product must support:
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Java2007-02-20
J2EE Connector Architecture
The Connector architecture is a J2EE SPI that allows resource adapters that support access to Enterprise Information Systems to be plugged in to any J2EE product. The Connector arc
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Introduction to Java
Java is a general-purpose object-oriented programming language developed by Sun Microsystems of USA in 1991. Originally called Oak by James Gosling, one of the inventors of the lan
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Inheritance in Java
Inheritance is the process by which one object acquires the properties of another object. This is important because it supports the concept of inheritance classification. As mentio
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History Of Java
It is always a good practice to know a little bit of history and background of any technology before starting to actually use it. In fact Java has nothing to do with the 'Island Ja
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Encapsulation
Encapsulation is the mechanism that binds together code and the data manipulates, and keeps both safe from outside interference and misuse. One way to think about encapsulation is
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Java2007-02-07
Operator Precedence
Table shows the order of precedence for java operators, from highest to lowest. Notice that the first row shows items that you may not normally think of as operators: parentheses,
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The ? Operator
Java includes a special ternary (three-way) operator that can replace certain types of if-then-else statements. This operator is the ?, and it works in java much like it does in C
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Short-Circuit Logical Operator
Java provides two interesting Boolean operators not found in most other computer languages. These are secondary versions of the Boolean AND and OR operators, and are known as short
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Relational Operators
The relational operators determine the relationship that one operand has to the other. Specifically, they determine equality and ordering, the relational operators are shown here:
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Boolean Logical Operators
The boolean logical operators shown here operate only on boolean operands. All of the binary logical operators combine two boolean values to form a resultant boolean value.
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Bitwise Operator Assignments
All of the binary bitwise operators have a shorthand form similar to that of the algebraic operators, which combines the assignment with the Bitwise operation. For example, the fol
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