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Explain the Rules for toString() Methods ?
toString() methods should return a single line of text that does not contain any carriage returns or linefeeds. toString() methods are primarily for debugging.toString() should not do a lot of fancy processing. toString() methods should be fast.
The string returned through toString() should contain the name of the class, and names and values of the fields which represent the state of the object, unless there are an excessive number of such fields, in that case only the most important should be returned.
A better Car toString() method would be: public String toString() { return "[Car: plate=" + this.licensePlate + " speed=" + this.speed + "; MaxSpeed=" + this.maxSpeed +"]"); }These rules are conventions, not needs of the language.
Remote Method Invocation (RMI) is the process of activating a method on a remotely running object. RMI offers location transparency in the sense that it gives the feel that a metho
O/R mapping is well suited for read, change, write centric applications and not suited for write centric applications where data is seldom read. Although this was usually true of m
Change encrypted HSQL database into CSV format Project Description: We have an encrypted HSQL Database which we have to convert into csv format. HSQL DB . We have java app
In Java everything exists within a class. It describes the behavior of the class and its characteristics. Java applications and applets are built in the class. Rules present for cl
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Differentiation between an Applet and an Application ?
what are all possible ways in java for user input and output
Name the common bugs which are not possible in java Many common bugs and security problems (such as "buffer overflow") are not possible in java. Checks also make it easier to f
1. final - it is a constant declaration. 2. finally - handles exception. The finally block is optional and gives a mechanism to clean up regardless of what occurs within
Describe about Applet Security? The possibility of surfing the Net, wandering across a random page, playing an applet and catching a virus is a fear in which has scared several
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