Question

How to declare long variable in java​

Answer 1

Answer:

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Java String is created by using a keyword “new”. For example: String s=new String(“Welcome”); It creates two objects (in String pool and in heap) and one reference variable where the variable 's' will refer to the object in the heap.

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Answer 2

1. Long data type is a 64-bit signed two's complement integer.

2. Minimum value is -9,223,372,036,854,775,808(-2^63)

3. Maximum value is 9,223,372,036,854,775,807 (inclusive)(2^63 -1)

4. This type is used when a wider range than int is needed.

5. Default value is 0L.

Example: long a = 100000L, long b = -200000L