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You put a value in a HashMap. You know it's there. But when you try to get it back… it's null. This isn't a Java bug. It's an equals() ...

Hi there, I am starting an all-new series where I'll be teaching the Java programming language from the beginning to make you an ...

What is Data type? It defines what kind of data a variable can hold (Means size of variable, type of variable) Types of data type 1.

Java especially when working with Blue J for ICSE class 10 the keyword this plays a crucial role in object-oriented programming ...