what is the use of finalize()Method please explain with an example

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What does flagged out mean?

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How can you take string into InputStream?

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Which method must be implemented by all threads?

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why java uses class level type casting ?

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If an object is garbage collected, can it become reachable again?

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I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?

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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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Why collection doesn’t extend cloneable and serializable interfaces?

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Is the milky way in a void?

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What is JFC?

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What is the difference between an object-oriented programming language and object-based programming language?

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