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What variable is one that has been declared but has not been initialized or assigned value?
Uninitialized Page 59 Programming Logic and Design by Tony Gladdis
Which variable has been initialized?
To determine which variable has been initialized, you would need to look at the code or context in which variables are defined. An initialized variable is one that has been assigned a value at the time of its declaration. For example, in Python, a variable like x = 5 is initialized because it has been given a specific value. If you provide a specific code snippet or context, I can help identify the initialized variable.
Value of automatic variable that is declared but not intialized?
The value of an automatic variable that is declared but not initialized is indeterminate.Some debug implementations will preset uninitialized variables to a known state, such as 0xcccccccc, or my favorite, 0xcacacaca, but that is just a hint that you are doing something very, very wrong if you ever encounter such a value.
What does a Java Boolean type variable declared but not yet initialized contain when its class is instanciated?
If it is a class or instance variable, it gets the default value of false. If it is a local variable (inside a method), it doesn't have a value until you explicitly set one.
What is the current status of the keyword variable in the program?
The current status of the keyword variable in the program is dependent on its declaration and assignment within the code. If the variable has been declared and assigned a value, it is considered to be in use and holds that value until it is changed or the program ends. If the variable has not been declared or assigned a value, it is considered to be uninitialized and may cause errors if used in calculations or operations.
Which qualifier is used to declare read-only variable in java?
A variable declared as final can't be modified, once a value is assigned.
What are the differences of a constant and a variable?
A constant has only the exact value it's declared and can never be changed. A variable can have any number of values assigned. In programming, a variable can be given a value later in the code but can only be changed during runtime if its been declared as a pointer.
What are the difference between private variable and final variable?
A private variable is one that is accessible only to the current class and cannot be accessed by any other class, including the ones that extend from it. A final variable is one that cannot be modified once it is initialized and assigned a value.
If a variable is not initialized the value of that variable is likely to be?
It's almost impossible to predict, but the value will be some data left by OS when it was previously used.
What are the value and preference of global variable?
Global variables can have any value, in C they are aumaticatically initialized to zero.
What does execution of the variable e outputs?
The execution of the variable e will output its current value, which depends on how and where it has been defined in the code. If e has been assigned a specific value, such as a number, string, or object, that value will be displayed. If e has not been defined or initialized, an error may occur, indicating that the variable is not recognized. The exact output can vary based on the programming language being used.
What is the function of default values in java?
Default values are available for any class or instance variable. If you do not specify a value for a class or instance variable the JVM will provide a default value that will ensure that the system does not end up with any unexpected errors because you used a variable that was not initialized. Ex: Public class Test { int I; } In the above class we have just declared an instance variable called 'I' but we haven't associated any value to it. The JVM automatically assigns 0 as the default value to this variable.
