are getters and setters bad java?
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Though getter/setter methods are commonplace in Java, they are not particularly object oriented (OO). In fact, they can damage your code's maintainability. Moreover, the presence of numerous getter and setter methods is a red flag that the program isn't necessarily well designed from an OO perspective.
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Description. In JavaScript, a setter can be used to execute a function whenever a specified property is attempted to be changed. Setters are most often used in conjunction with getters to create a type of pseudo-property. It is not possible to simultaneously have a setter on a property that holds an actual value.
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Python always uses pass-by-reference values. There isn't any exception. Any variable assignment means copying the reference value. No exception.
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Getters and setters are used to protect your data, particularly when creating classes. For each instance variable, a getter method returns its value while a setter method sets or updates its value. ... The getter method returns the value of the attribute. The setter method takes a parameter and assigns it to the attribute.
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The get method returns the value of the variable name . The set method takes a parameter ( newName ) and assigns it to the name variable. The this keyword is used to refer to the current object.
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Getter and setter methods are used to retrieve and manipulate private variables in a different class. A "getter" method does as it name suggest, retrieves a the attribute of the same name. A setter method allows you to set the value of the attribute.
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TypeScript supports getters/setters as a way of intercepting accesses to a member of an object. This gives you a way of having finer-grained control over how a member is accessed on each object. Let's convert a simple class to use get and set . First, let's start with an example without getters and setters. ts.
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In Java, getter and setter are two conventional methods that are used for retrieving and updating value of a variable. ... And a getter is a method that reads value of a variable. Getter and setter are also known as accessor and mutator in Java.
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Other objects are mutable: they have methods that change the value of the object. String is an example of an immutable type. A String object always represents the same string. StringBuilder is an example of a mutable type.
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Getters and setters are used to protect your data, particularly when creating classes. For each instance variable, a getter method returns its value while a setter method sets or updates its value.
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In Javascript objects and arrays follows pass by reference. so if we are passing object or array as an argument to the method, then there is a possibility that value of the object can change.
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Why This is Bad Deeply nested conditionals make it just about impossible to tell what code will run, or when. The big problem with nested conditionals is that they muddy up code's control flow: in other words, they make it just about impossible to tell what code will run, or when.
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It is not a bad practice, it just means that you did not think your code through. The condition is required to tell the loop when to finish looping. If you have a terminating point, then why not put it as a condition?
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A NSString object is immutable, but that doesn't stop you from changing the value of a variable which points to a string.
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No, Constructors can be public , private , protected or default (no access modifier at all). Making something private doesn't mean nobody can access it. It just means that nobody outside the class can access it. So private constructor is useful too.
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If several references point to same String without even knowing it, it would be bad if one of the references modified that String value. That's why String objects are immutable.
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The behaivour might change even with the same compiler depending on the compilation options and optimization level. Local non- static variables are not initialized -- which typically means they contain garbage. 0 is just as valid a garbage value as any other.