What are some alternatives to inheritance?

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What is Vector?Can you elaborate how Vector is Thread safe?

3 Answers   HCL,

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List the interfaces which extends collection interface?

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Is integer immutable in java?

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Why does my function print none?

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Can we iterate through collection using for loop?

2 Answers   Rolta,

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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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Hey buddy.. can you please tell me about the use of marker interface? And is there any link between marker interface and factory methods? Thanks in advance.

2 Answers  

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Does sprintf add a null terminator?

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Variable of the boolean type is automatically initialized as?

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what is the difference between future and callable interface in java?

0 Answers  

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What is the equal sign?

0 Answers  

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