Why is string class considered immutable?

0 Answers  

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Hi friends, i am new to java. can you explain how java is secured.

2 Answers  

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How do you control extraneous variables?

0 Answers  

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How does static modifier work?

1 Answers   Wipro,

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if am have 100 threads(for ex:T1,T2---T100) how we give priority to these threads and how the system excute these threads

2 Answers  

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what is use of functional interface in java 8?

0 Answers  

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public class Garbage { int a=0; public void add() { int c=10+20; System.out.println(c); System.out.println(a); } public static void main(String args[]) { Garbage obj=new Garbage(); System.gc(); System.out.println("Garbage Collected"); obj.add(); } } Above is a code in java used for garbage collection. object obj has been created for the class Garbage and system.gc method is called. Then using that object add method is called.System.gc method if called the obj should be garbage collected?

6 Answers  

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What is the difference between keyword and identifier?

0 Answers  

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Explain the concept of polymorphism with examples?

6 Answers   Summation Tech,

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What is the largest number a double can hold?

0 Answers  

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what is the JNDI?

3 Answers  

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Why does abstract class have constructor?

0 Answers  

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