Java » Java Map

Java is the popular programming language that originated in 1995. Today, the Java ecosystem includes a very large number of specifications, libraries, frameworks, tools, as well as a thriving community. Take a dive through our collection of Java tutorials that cover a wide array of Java-related topics.

>> Implementing a Map with Multiple Keys in Java

>> How to Store HashMap<String, ArrayList> Inside a List

>> Read a File Into a Map in Java

>> How to Create a New Entry in a Map

>> Difference Between Map and HashMap in Java

>> How to Invert a Map in Java

>> Create an Empty Map in Java

>> Java IdentityHashMap Class and Its Use Cases

>> Java HashMap With Different Value Types

>> Nested HashMaps Examples in Java

>> Java Map – keySet() vs. entrySet() vs. values() Methods

>> Remove an Entry from a Java HashMap

>> Update the Value Associated With a Key in a HashMap

>> Using a Custom Class as a Key in a Java HashMap

>> Get a Submap From a HashMap in Java

>> Converting Java Properties to HashMap

>> Optimizing HashMap’s Performance

>> Java HashMap Load Factor

>> Using the Map.Entry Java Class

>> Using a Byte Array as Map Key in Java