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Java LinkedHashSet class is a Linked list and Hash table implementation of the Set interface. It contains unique elements same as a HashSet. Linked HashSet in Java also provides optional set operations that can maintain the order of insertion.

When finalize method is called?

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Can we declare main () method as non static?

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What are streams in java 8?

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How will you invoke any external process in java?

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Difference between default and protected access specifiers?

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when should you use stringbuilder class in a program?

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Can inner class have constructor?

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solve this is my problem byte a=40,byte b=50 both add value is 90 this is with in range of byte... byte range is -128to 127.... why this pgm gives error like type mismatch.... package javapgms; public class byte1 { public static void main(String args[]) { byte a=40,b=50; byte c=a+b; System.out.println(c); } } note : dont use int k... a,b,c are in byte range... mind it..

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Give a practical example of singleton class usage?

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What is string builder?

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what is hashmap& hashtable with example?

1 Answers   CTS,

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When is an object subject to garbage collection?

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