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Enterprise Java
Converting a Map to a Spring MultiValueMap
In Spring, a MultiValueMap is a structure for storing multiple values for a single key. This can be useful in…
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Core Java
Jackson JsonNode to Java Collections
Java applications frequently interact with data in JSON (JavaScript Object Notation) format. Jackson Java Library provides tools for working with…
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Core Java
Using Java 8 Optionals: Perform Action Only If All Are Present
Java’s Optional class provides a container object which may or may not contain a non-null value. This is useful for…
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Core Java
Converting Between ZonedDateTime and Date in Java
In Java, managing date and time can involve converting between different types, such as ZonedDateTime and Date. This is particularly…
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Core Java
Exploring Different Techniques to Iterate a List of Maps in Java
In Java, iterating through a list of maps is a common operation with several techniques available, each offering distinct advantages.…
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Core Java
Queue to List Conversion in Java
Queues and Lists are fundamental data structures in Java. The Java’s Queue interface represents a collection designed for holding elements…
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Enterprise Java
Resolving Spring Boot H2 JdbcSQLSyntaxErrorException: “Table not found”
Spring Boot makes it easy to develop Spring applications with its pre-configured components. However, we often encounter the JdbcSQLSyntaxErrorException: Table…
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Enterprise Java
Automatically Saving Child Entities in JPA
In JPA applications, we often encounter entities with parent-child relationships. Persisting these entities efficiently involves saving the parent and automatically…
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Core Java
Converting Between java.sql.Timestamp and ZonedDateTime in Java
In Java, conversion between java.sql.Timestamp and java.time.ZonedDateTime can be essential for applications that interact with legacy systems that require this…
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