What are the differences between string, stringbuffer and stringbuilder?
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What are the practical benefits, if any, of importing a specific class rather than an entire package (e.g. Import java.net.* Versus import java.net.socket)?
What is tochararray in java?
how can i kill thread without stop() and destroy()
can we declare private class in java file?
What are inbuilt functions in java?
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..
Why should we create an object? what is a need of it? Apart from access members of a class i want what is a need of object what does it contain?? In normal class to access any member of thaht class we create object where as for static class we access its members using class name. what is a difference between them... thanks in advance.
Why we go for collections in java?
What do you mean by an object in java?
Which class is the immediate superclass of the Container class?
Which programming language is most secure?
Explain how to force the garbage collection in java.