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Why are public instance variable dangerous?
Public instance variables are not dangerous, but can put your program at risk of being hacked. For instance, say the variable bacon is an integer that represents your health in a game, and its value is 50. Someone could change its value to 1,000,000 by using a program called a decompiler, then change the code, and recompile it.
What is constant variables?
Variables are items, which change their values during the execution of a program. Constants do not change the value during the execution of a program.
Write a program using recursion which should take two values and display 1st value raised to the power of second value?
Write a program using recursion which should take two values and display 1st value raised to the power of second value.
What is called when a data value appears directly in a statement?
It can be called hard coding the data. For many things in computing it should be avoided if possible in favour of using variables or defined constants, in order to give more flexibility and structure to a program.
How do variables and symbollic names differ?
Variables are storage areas that hold data that can vary during the execution of a program. A symbolic name is the name given to any entity in a program, including variables, constants, functions, procedures and various other stuff.
