J2EE Technical Programming Interview Questions Part 4

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J2EE Technical Programming Interview Questions Part 4

Question 1.) How Application is differ from Applet?

Ans:

Applications:

    Applications are Stand Alone and the doesn’t need web-browser.
    Execution of Applications starts with main ().

Applets:

    Needs no explicit installation on local machine. Can be transferred through Internet on to the local machine and may run as part of web-browser.
    Execution Applets starts with init () method and it must run within a GUI, it may be AWT / Swing.

Question 12.) What is CDC?

Ans: The Connected Device Configuration (CDC) is a specification for a J2ME configuration. Conceptually, CDC deals with devices with more memory and processing power than CLDC; it is for devices with an always-on network connection and a minimum of 2 MB of memory available for the Java system.

Question 13.) What is the MIDP?

Ans:  The MIDP defines a set of APIs for mobile devices, such as cell phones and low-end PDAs

Question 14.) What is variable typing in javascript?

Ans:  It is perfectly legal to assign a number to a variable and then assign a string to the same variable as follows

Example: i = 10;

i = “string”;

Question 15.) What does a well-written java program look like?

Ans: A well-written java program exhibits recurring structures that promote abstraction, flexibility, modularity and elegance.

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