What is Garbage value in C? tccicomputercoaching.com
In Programming Language first data should be stored in Variable. After declaring variable and assigning value only we can use that variable in programme.If a variable is allocated but not assigned, it is said to have a “garbage value” , that is, some information that was being held any random piece of the computer’s memory.
All the values that does not have a reference are called garbage values.
Most powerful garbage collection management can be seen in Java programing language. While coding you make lot of variables and allocate memory for them. Once you are done with your program you have to manage dynamically allocated memory. Like you have to free all the memory that is not required anymore. That memory is called garbage because you can not use it anymore.
Here, we just declare variable a of Integer type, but not assigning any value to the a. Yet we trying to display value of a, so, compiler will display garbage value.
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