Java 16 introduced several new methods in the Stream API, enhancing the functionality and flexibility of streams in Java. These additions make it easier to work with streams by providing more options for processing, transforming, and collecting data. The new methods in Java 16 include Stream.toList(), Stream.mapMulti(), and Stream.ofNullable(). Key Points: Stream.toList(): Provides a convenient …

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Introduction Java 16 introduced pattern matching for instanceof, a feature that simplifies the use of the instanceof operator and type casting. This enhancement allows developers to perform type checks and casts more concisely and safely. With pattern matching, the instanceof operator not only checks the type but also casts the variable to the desired type …

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Java 15 introduced several new methods in the String and CharSequence classes to enhance the manipulation of strings and character sequences. These methods provide more convenient ways to perform common operations and improve code readability and efficiency. Key Points: Improved String Manipulation: New methods offer more straightforward and efficient ways to work with strings. Convenience: …

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Introduction Java 13 introduced text blocks as a preview feature, which became a standard feature in Java 15. Text blocks provide a new way to handle multi-line string literals, allowing developers to write multi-line strings in a more readable and concise manner. They eliminate the need for complex concatenation and escaping within string literals, making …

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Introduction Java 14 introduced a new feature known as Helpful NullPointerExceptions that aims to improve debugging by providing more informative error messages when a NullPointerException occurs. This feature helps developers quickly identify the root cause of NullPointerExceptions by specifying which part of the expression was null, making it easier to fix bugs in Java applications. …

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Introduction Java 12 introduced switch expressions as a preview feature, which aimed to simplify and extend the traditional switch statement. This enhancement provides a more concise syntax and allows switch to be used as an expression that returns a value. Switch expressions were further enhanced and standardized in Java 13 and became a permanent feature …

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Introduction Java 12 introduced a new collector called the Teeing Collector, which is part of the java.util.stream.Collectors utility class. The Teeing Collector allows you to perform two different collection operations on a stream and then combine the results into a final value. It is especially useful when you want to perform multiple operations on the …

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Introduction Java 12 introduced compact number formatting as part of the java.text.NumberFormat class, allowing developers to format numbers in a concise and human-readable way. This feature is particularly useful for applications that need to display large numbers in a compact form, such as financial or statistical data. Compact number formatting is supported through the NumberFormat.Style …

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Java 12 introduced new methods to the String class that enhance string manipulation capabilities. These methods provide more flexibility and convenience for developers working with strings, offering solutions for common string-related tasks such as alignment and transformation. New String Methods in Java 12 1. indent(int n) The indent() method was enhanced in Java 12. It …

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Introduction Java 11 introduced two new methods, Files.readString() and Files.writeString(), which simplify reading and writing text files. These methods provide a more convenient way to handle file I/O operations by allowing you to read an entire file into a string or write a string directly to a file, eliminating the need for additional buffering and …

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Introduction Java 11 introduced several new methods to the String class, providing more convenience and efficiency in string manipulation. These methods simplify common string operations and enhance the overall functionality of the String class. This guide will cover the new methods added in Java 11, including isBlank(), lines(), strip(), stripLeading(), stripTrailing(), repeat(), and indent(). Key …

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Introduction Java 11 introduced a new HTTP client API to handle HTTP requests and responses in a more flexible and efficient manner. The new HTTP client API is part of the java.net.http package, providing a modern and easy-to-use API to perform HTTP operations. It supports both synchronous and asynchronous communication, making it versatile for various …

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Introduction Java 11 introduced a new feature called local-variable syntax for lambda parameters. This feature allows you to use the var keyword in lambda expressions to declare the types of parameters, similar to how you can use var for local variable type inference in methods. This feature provides more flexibility in how you write lambda …

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Introduction In Java, the Optional class is used to represent a value that may or may not be present. It is part of the Java 8 feature set introduced to handle cases where a value might be null, thus helping to eliminate NullPointerExceptions in the code. The Optional.orElseThrow() method is one of the methods provided …

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Introduction Java 10 introduced the Collectors.toUnmodifiableMap() method, which is used to collect elements from a stream into an unmodifiable map. This method is part of the Java Stream API and provides a way to create read-only maps directly from streams. Once created, the resulting map cannot be modified, ensuring data integrity and immutability. Key Points: …

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Introduction Java 10 introduced the Collectors.toUnmodifiableSet() method, which is used to collect elements from a stream into an unmodifiable set. This method is part of the Java Stream API and allows you to create read-only sets directly from streams, ensuring that the resulting set cannot be modified. Key Points: Immutable Set: Collectors.toUnmodifiableSet() creates a set …

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Introduction Java 10 introduced the Collectors.toUnmodifiableList() method as part of the Java Collections Framework. This method is used in conjunction with the Java Stream API to collect elements into an unmodifiable list. Once created, the resulting list cannot be modified, making it a convenient way to create immutable lists directly from streams. Key Points: Immutable …

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Introduction Java 10 introduced the Map.copyOf() method, which creates an unmodifiable copy of an existing map. This method allows you to easily create read-only maps, ensuring that the map cannot be modified after its creation. The Map.copyOf() method is part of Java’s effort to enhance immutability and improve the safety and clarity of code. Key …

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Introduction Java 10 introduced the Set.copyOf() method, which creates an unmodifiable copy of an existing set. This feature simplifies the process of creating read-only sets, ensuring that the set cannot be modified after its creation. The Set.copyOf() method is part of Java’s effort to enhance immutability and make code more concise and safe. Key Points: …

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Introduction Java 10 introduced a new method called List.copyOf(). This method creates an unmodifiable copy of an existing list, meaning you can’t change the list after you create it. This is useful when you want to share a list with other parts of your program, but ensure that the list cannot be modified. Key Points: …

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Introduction Java 10 introduced a new feature called local-variable type inference using the var keyword. This feature allows the Java compiler to infer the type of a local variable based on the context, eliminating the need for explicit type declarations in certain scenarios. It simplifies the code by reducing boilerplate and enhancing readability. Key Points: …

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