Java / Strings

String Interning.

The method of storing only one copy of each distinct string value, which must be immutable. The distinct values are stored in a string intern pool. string intern pool allows a runtime to save memory by preserving immutable strings in a pool so that areas of the application can reuse instances of common strings instead of creating multiple instances of it.

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String in Java. isEmpty() What is toString() method? Difference between String, StringBuffer and StringBuilder. Is String interning an example of flyweight design pattern? All the String objects created using String literals are stored in String pool? Difference between StringBuffer and StringBuilder. How to create our own immutable class in Java? Other examples of Immutable classes. Can String be referred as a datatype? What is Immutable? Is String is Immutable? How do you create a String object? What is the difference between creating String object using new and String literals? String Interning. Java String Pool. Explain Flyweight Pattern. String Literal in Java. Immutable objects are thread-safe? Overriding toString() example. Why does the default Object.toString() include the hashcode? Why String is often used as key in HashMap? What is String interpolation in Java? How to perform String interpolation? Name the interfaces that Java String class implements. How do I compare strings in Java? Can we use Java String in switch case? Can we have case null in string switch case? Where are the string created with the toString() method in memory? Which design pattern is based on object cloning? Where CloningNotSupportedException starts? (Or) Where object is instanceof Cloneable is checked? What is the default implementation of equals method in Object class.

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Using String

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Java / Strings

String Interning.

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