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What will be the result and why
int i=10;i=i++;System.out.println(i);
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Platform and Machine Dependency
What is the difference between platform dependency and machine dependency?
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Realtime J2EE Project Code Standard
What are the code standard used in J2EE project in real time?
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Overloading Performance
If Overloading is not going to help to increase performance then why we need to use same name for different methods?
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Why was Java Created?
PlatForm Indepentdent ,security,Garbage Collection.
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Garbage Collector
How does garbage collector decide which objects are to be removed? Can garbage collector be forced?
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Find the Output
class A{ public static void main(String[] a){ System.out.print(String.valueOf(1)+String.valueOf(2)); String s1="s1"; String s2=s1.toString(); System.out.print(","+(s1==s2)); }}
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More than One Class
If more than one class is present in one Java file then what will be the java file name?
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What is the difference between Enumeration and Iterator?. When i can use Enumeration and when i can use iterator?. Can any one tell me the situation that only Enumeration could able to solve that problem and vice versa.
In Enumeration we cant modify the elements. where as in iterator we can modify the elements
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Directories usage information.
Explain the purpose of 'JDK','JRE',LIB' directories.
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Core Java Interview Questions
Ans