Can a list be null in java?

0 Answers  

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Hi Every One I Have Small Doubt Please answer This???????????????????????????? I Want to use AbstractList class methods(java.util.AbstractList) My Program is import java.util.*; class DemoOne extends AbstractList { public static void main(String[] args) { AbstractList a=new DemoOne();//This One is Correct?? DemoOne a1=new DemoOne();//This One is Correct?? Both Are Not Working System.out.println("Hello World!"+a); System.out.println("Hello World!"+a1); } } Error IS: DemoOne.java:2: DemoOne is not abstract and does not override abstract method get(int) in java.util.AbstractList class DemoOne extends AbstractList AnyOne can Please Provide The Solution????????????????????????? Plzzzzzzz

3 Answers  

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What is difference between static class and normal class?

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How many bits is a 64 bit byte?

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What are passing parameters?

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What do u mean by wrapper Class? What do u mean by Jvm... How do u change JVM for other OS? Or No need to Change ...? its like tricky

6 Answers   Accenture, EDS,

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What is a module function?

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If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?

0 Answers   CDAC,

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Can a class be protected in java?

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What is thread safe in java?

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What if static is removed from main method?

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difference between java ,c#&java,c++

3 Answers  

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