How to directly initialize a HashMap (in a literal way)?

How to directly initialize a HashMap (in a literal way)?

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java

How can I initialise a static Map?

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Initialization of an ArrayList in one line

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Efficiency of Java "Double Brace Initialization"?

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How to initialize HashSet values by construction?

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How to initialize an array in Java?

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Difference between declaring variables before or in loop?

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What is Double Brace initialization in Java?

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Initializing multiple variables to the same value in Java

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How to declare an ArrayList with values? [duplicate]

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What is the default initialization of an array in Java?

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How can I initialize a String array with length 0 in Java?

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Java: int array initializes with nonzero elements

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What is an initialization block?

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Cannot instantiate the type List<Product> [duplicate]

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