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What is a tagged interface?
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What is difference between runnable and thread ? why we use static class
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What is the difference b/w Iterator & ListIterator
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What method should the key class of hashmap override
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How and when to prevent inheritance?
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What is the difference between java and core java
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Differences between servlet context and servlet config?
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Why java is not 100% object oriented language??
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What is root class of all java classes
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Why java dosen't support pointers?
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What is the difference between java and c and c++?
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What is a Singleton class, what is it's significance? |
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What is the datatypes in java?
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How can we inherit the two independent classes in one class? for example, we have two independent classes like Class A and B. I want to inherit the methods of Class A and B.
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Why java shouldbe preferred,when we can get the sameoutput using VB orany otherlanguages. Howcan we convincethe interviewer ,other than givingthe simple features ofjava. could anyone pls answer this question?
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Why we cannot define constructor of super class in a sub class ?
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In client-server approach, how to get an IP address of remote machine, and how we can find whether tht machine is connected with server or not. I hv found one solution is pinging in background, but how we can do such pinging? how can we find out tht we r getting reply of ping?
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let say there are two interfaces like the following
interface int1{ int meth1(); }
interface int22{ int meth1(); }
ok then
i am implementing both of them in a calss as follows
class mycl implements int1,int2 {}
now as the rule says, if a class implements an interface it must complete its signature. now my questions is that if i define meth1(), as that method is in both interface, may i know how can i define both of that methods. please answer me
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How to use printer option in java or is there any method to use print command?
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What is the main difference between input, output stream?
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