variable « primitive « Java Data Type Q&A

1. Why must local variables, including primitives, always be initialized in Java? stackoverflow.com

Why must local variables, including primitives, always be initialized in Java? Why is the same not applicable in the case of instance variables?

2. How can we identify the primitive data type of a given variable? stackoverflow.com

How can we identify the primitive data type of a given variable?

3. Where are primitive variables stored? stackoverflow.com

Where are primitive variables stored in java, and how is the memory freed after use? I guess it is on stack?

4. Where instance variables(primitives) are stored in java? Is anyhow stack related to instance variables storage? stackoverflow.com

Where instance variables(primitives) are stored in java?

5. Increment variable names? stackoverflow.com

Okay so for what I am doing i need to increment my variables name, so for example int Taco1 = 23432..... int Taco2 ...

6. why primitive variable can accept object ? coderanch.com

7. Type of Primitive Variable. coderanch.com

variable types are really only of interest to the programmer. if you are at a spot where you can write code using this variable, why don't you just look in the source code to find out what it is? A user shouldn't care if i store the value of 8 in an int, a float, a short or even a string ...

8. How do we decide on when to create primitive variables and when to create objects? coderanch.com

Sowm Herur wrote:How do we decide on when to create primitive variables and when to create objects? Can you explain it with sceanario's It's a question of performance. Primitives occupy less space and are faster. But this doesn't mean you should always prefer primitives. At some point introducing your own type (class, enum or interface) starts making sense. Say ...

9. Primitive variable coderanch.com

public class Test { int i = 10; ClassA refA= new ClassA(); public static void main(String [] args){ int j=20; Test t1 = new Test(); } } In this case refA is on stack, while object ClassA is on heap. Variable i is on stack, but does its value 10 is on heap or stack ? If its on stack, then ...